Ladies and gentlemen, thank you for standing by and welcome to the Marvell Technology Group Fourth Quarter 2021 Earnings Conference Call. At this time, all participants are in a listen-only mode. After the speakers' presentation, there will be a question-and-answer session. [Operator Instructions] As a reminder, today's program is being recorded. I would now like to introduce your host for today's program, Ashish Saran, Vice President, Investor Relations. Please go ahead.

Ashish Saran - Vice President, Investor Relations

Thank you and good afternoon everyone. Welcome to Marvell's fourth quarter and fiscal year 2021 earnings call. Joining me today are Matt Murphy, Marvell's President and CEO and Jean Hu, our CFO. I would like to remind everyone that certain comments made today may include forward-looking statements, which are subject to significant risks and uncertainties that could cause our actual results to differ materially from management's current expectations.

Please review the cautionary statements and risk factors contained in our earnings press release, which we filed with the SEC today and posted on our website as well as our most recent 10-K and 10-Q filings. We do not intend to update our forward-looking statements. During our call today, we will refer to certain non-GAAP financial measures. A reconciliation between our GAAP and non-GAAP financial measures is available on our website in the Investor Relations section. With that, I'll turn the call over to Matt for his comments on our performance. Matt?

Matt Murphy - President and Chief Executive Officer

Thanks, Ashish and good afternoon everyone. Let me start with a recap of Marvell's highlights for fiscal year 2021. Our GAAP revenue was $2.97 billion, GAAP gross margin was 50.1%, and GAAP loss per diluted share was $0.41. On a non-GAAP basis, our gross margin was 63.3% and non-GAAP earnings per diluted share was $0.92. Our consolidated revenue grew 10% year-on-year led by our networking business which grew 22% year-on-year. Revenue growth combined with strong operating leverage from our business model enabled non-GAAP EPS to grow 39% year-on-year. I am very pleased with our outstanding performance during what has been an otherwise challenging year.

Our growth initiatives in 5G, cloud, and automotive drove results in these key end markets, which collectively more than doubled in revenue from the prior year to represent more than 25% of fiscal year 2021 revenue. We are really pleased with the performance of Avera and Aquantia who both delivered revenue above our expectations. We successfully completed the integration of both businesses and overachieved on our synergy targets.

We also made great strides with our technology platform announcing the jump to 5-nanometer and along with it, the industry's first 112 gig SerDes for cloud data center infrastructure. This move was a direct result of our multi-year strategic shift to focus on data infrastructure and brings our process node cadence to the cutting edge. The power of our 5-nanometer platform and the benefits it provides for customers is evident in our opportunity funnel, which has grown significantly since we adopted this new node. The activity level on 5-nanometer continues to accelerate and we have already secured multiple leading edge design wins each meaningful from a revenue perspective.

Our advanced technology is also a key enabler of our custom ASIC offering, which has continued to gain momentum, particularly in cloud. Following on from the design win we announced last quarter, activity levels continue to increase and we are now involved in advanced discussions with multiple hyperscale data center customers. Our ability to offer customization coupled with Marvell's leading standard product IP has proven to be highly compelling to cloud customers. Given its strategic importance, let me provide some more detail on the evolution of the custom ASIC model bringing to light some of the key trends that make the opportunity so compelling.

Traditionally, the primary customer base for custom ASICs has been large system OEMs who's core business is developing hardware to sell as a product. These customers design their own system hardware and build unique technology into the hardware itself to custom chip development to differentiate their products. They do most of the chip design directly and work with a semiconductor partner to license IP and manage the physical layout in front and back-end manufacturing. Today, in addition to these system customers, hyperscale data center operators are also designing their own silicon and I'm often asked if this trend is good or bad for Marvell.

We believe this trend is very good for us as we believe we are ideally positioned to help them solve their unique challenges. Their core business is the cloud service they provide, not the hardware itself. They are building custom hardware because they need incredibly efficient and optimized infrastructure. As a result, they are looking for a semiconductor collaboration that goes well beyond the traditional custom ASIC model and allows them to leverage IP that the silicon partner already has available.

The design is typically done in true partnership with the customer focusing on the portions proprietary to their use cases and Marvell bringing our own unique compute, security, networking, and storage IP to the table. Therefore, the end solution is a semi custom design, which represents the best of both worlds and provides a faster time to market. Because these engagements use our IP, we believe this leads to a more strategic and valuable relationship with these key customers.

In addition, compute is becoming increasingly important in this market as hyperscalers are looking to move beyond standard x86 servers and integrate custom ARM-based compute solutions into their architecture. As this trend accelerates, Marvell should be an even more important partner. Our long history in successfully developing and delivering multiple generations of highly complex multi-core ARM-based processors including server processors is unique in the industry. Marvell is emerging as an ideal partner for these customers and our recent cloud engagements involve deep engineering collaboration on all key aspects of design including chip architecture, memory density, high speed SerDes integration, advanced packaging, power optimization, and flexible processor implementation.

Now let me move on to our quarterly results and expectations. Revenue for the fourth quarter of fiscal 2021 was $798 million, $13 million above the midpoint of guidance, growing 6% sequentially and 11% year-over-year. Adjusted for the divestiture of Wi-Fi, year-on-year revenue growth was even greater at 15%. Our GAAP income per diluted share was $0.02. Our non-GAAP earnings per diluted share was $0.29, growing 16% sequentially and 71% year-over-year. As expected, supply constraints limited our ability to fully meet the growing demand for our networking products. We also saw strong demand for our storage products, which drove the upside in revenue relative to the midpoint of our guidance.

Although these industry-wide supply shortages are now well known, I expect that they may still be a topic of particular interest during our Q&A session. So in anticipation of your questions, let me provide as much details I can for you now. You are aware, despite or perhaps more accurately due to the impact from COVID-19, demand has grown significantly across a range of semiconductor end markets as data infrastructure has become even more critical to the world's economy.

However, the supply chain was not completely prepared for the surge in demand, it needs time to increase capacity. While we are confident that the industry will respond to these challenges, we anticipate a supply gap for at least through fiscal 2022. Lead times have extended across the board. We are seeing shortages from multi-layer complex substrates, IC packaging capacity, and fab constraints in certain technology nodes important for our products.

From our vantage point, the increase in demand we are experiencing for our 5G, cloud, and auto products appears closely tied to the long-term secular growth drivers present in these end markets. This combined with the sole source nature of most of our design wins would suggest that most of the demand we are not able to satisfy in the near-term is not perishable.

Marvell is collaborating even more closely with our customers to manage demand forecasts over an extended time horizon and our operations team is continuing to drive our suppliers to match supply appropriately to mitigate impacts and minimize disruptions. In addition, we are taking extraordinary measures including securing capacity in advance over much longer than typical time periods and we are working with customers to get their assistance in helping absorb some of the incremental costs associated with prioritizing their continuity of supply.

Let's now discuss our two businesses in more detail. First, in our networking business, revenue during the fourth quarter was $439 million, consistent with our outlook of being flattish to the prior quarter. Year-on-year growth remained robust with revenue growing 24% compared to the fourth quarter fiscal 2020 results adjusted for the divestiture of Wi-Fi. The year-on-year growth to networking was led by our 5G and cloud businesses. In addition, revenue from our Ethernet switch and PHY portfolio grew significantly as new design wins have started to ramp.

Let me provide some color on sequential revenue movements in networking. In 5G, we delivered our sixth straight quarter of sequential revenue growth. This growth was driven by standard and semi custom product shipments to Samsung and Nokia, partially offset by a decline in 5G ASICs as deployments in China take a pause. Looking past the typical lumpy nature of individual regional roll outs, 5G infrastructure deployments are expected to continue to strengthen worldwide.

As an example, the U.S. recently concluded the first phase of the C-band spectrum auction. This was the highest-grossing spectrum auction ever held in the U.S. with gross proceeds exceeding $80 billion. A record level of interest is a clear indicator of the potential revenue opportunities carriers expect from 5G technology. Other regions around the world are also opening up spectrum for 5G services and wireless industry experts expects deployments to gather strength later this year.

We launched our Open RAN platform in December 2020 and are gaining traction in the marketplace. For example, we recently announced that we are joining the Evenstar Program and will be working with Facebook Connectivity to provide a 5G Open RAN distributed unit design. This design will be based on our leading OCTEON Fusion baseband processors and ARM-based OCTEON multi-core DPUs. The Evenstar DU design will enable a new generation of RAN suppliers to deliver high performance, cost optimized, interoperable DU products to the rapidly expanding Open RAN ecosystem.

We recently announced that Fujitsu will be using our industry-leading OCTEON Fusion baseband processors in its new 5G base stations and also plan to engage with us on Open RAN distributed unit products. They are the second 5G regional customer I referenced last quarter. In cloud networking, we benefited from strong customer demand in the fourth quarter for our SmartNIC DPUs while the cloud ASIC declined as expected. Looking forward, we expect to continue benefiting from the secular growth in cloud capex on semiconductor solutions for data processing.

Turning to our automotive business, quarterly revenues crossed into the double-digit million run rate driven by the ramp of multiple Ethernet design wins in model year 2021 vehicles. Engagements are expanding at additional large OEMs and bookings have continued to strengthen. We believe that fiscal 2022 is shaping up to be a breakout year for this business. The fourth quarter was robust for our Ethernet switch and PHY business with product ramps at multiple customers. The design wins we won over the last couple of years are now starting to ramp and we expect these will contribute higher levels of revenue as we progress into fiscal 2022.

Let me now discuss the outlook for the first quarter of fiscal 2022 for our networking business. Reflecting strong demand despite continued supply constraints, we project revenues to grow close to 10% on a sequential basis and continued strong year-on-year growth exceeding 20%. We expect this growth to be broad-based led by our cloud DPUs, standard and semi custom 5G solutions, automotive products and Ethernet networking solutions, partially offset by softness in 5G ASICs.

Turning now to our storage business. Storage revenue for the fourth quarter was better than expected across all product lines, growing 18% sequentially to $326 million. This was a very strong quarter for our storage business with 10% year-on-year growth driven by our custom SSD controller and cloud HDD products. I'm very pleased with the tremendous progress we have made over the last few years in enabling high capacity nearline HDDs which are critical for cloud customers.

We've extended our long-standing relationship with Toshiba and we recently announced that our controllers and preamps are powering their new 18 terabyte cloud-scale HDDs. Toshiba's 18 terabyte products deliver industry-leading data storage capacity by utilizing MAMR technology and advanced signal processing developed in close partnership with Marvell. The close coupling of Marvell's read channel and preamplifier IP enables leading edge features in HDD capacity to extend Toshiba's position in the cloud data center market.

Let me now provide some additional color on storage revenue on a sequential basis. In the fourth quarter, our custom SSD controller revenue benefited from the ongoing ramp at a Tier 1 OEM as well as the initial ramp at a major cloud customer. In HDDs, demand was strong across multiple end markets including enterprise, smart video, retail, and client and our business benefited from aggregate HDD unit TAM growth of about 10% sequentially. Our revenue from cloud HDDs also grew on strong customer demand for our products.

In our fiber channel business, demand recovered significantly from the COVID-19 impacts earlier in the year. Our operations team was able to increase supply to help our OEMs restock and deliver more product to their customers. Looking to the first quarter of fiscal 2022, we project a seasonal decline in storage controller demand. In addition, after last quarter's inventory replenishment by customers, we expect a more than seasonal decline in fiber channel spend. As a result, after a very strong fourth quarter, we expect our storage revenue to decline in the low-teens sequentially on a percentage basis. However, we expect continued year-on-year growth of over 10% in the first quarter.

In closing, needless to say, last year was a very challenging period as we adjusted to operating in the presence of a pandemic. It was almost exactly a year ago today when shelter-in-place policies were coming into effect and we were in the midst of taking action to protect our 5,000 plus employees and an extended support team of contractors and suppliers. None of us really knew how the year would evolve or how the pandemic would impact our productivity or the demand for our products and technology.

I can now look back and applaud a strong performance by the Marvell team in the face of adversity, incredible program execution, record design win achievement, stronger customer relationships, double-digit revenue growth, and significant margin expansion. I'm very proud of our employees and I would like to thank them for their collective efforts in positioning Marvell to emerge even stronger from the pandemic.

We ended fiscal 2021 on a strong note and we are kicking off fiscal 2022 with solid growth expectations guiding revenue at the midpoint for the first quarter to grow 15% year-on-year despite ongoing supply challenges. We expect strong year-on-year growth from both our networking and storage businesses in the first quarter. Non-GAAP EPS at the midpoint for the first quarter is now is projected to grow by 50% year-on-year demonstrating the operating leverage in our business model.

In fiscal 2022, we expect revenue growth from custom SSD controllers, preamplifiers, automotive Ethernet, and enterprise networking in addition to our expanding 5G and cloud businesses, which are still early in their growth cycles. Our team is also focused on closing key design wins from the large funnel of 5-nanometer and cloud engagements I discussed earlier.

We are getting closer to completing the Inphi transaction and as part of integration planning, we recently concluded a series of joint strategic planning sessions. The conclusion of these meetings, our teams walked away more excited than ever about the depth of technology and the level of talent across the combined company. The addition of Inphi broadens the opportunity set for the combined company and this will be a key factor in setting future investment priorities. As a reminder, the closing of the Inphi transaction remains subject to obtaining shareholder and regulatory approvals and satisfying other closing conditions. With that, I'll turn the call over to Jean for more details on our recent results and outlook.

Jean Hu - Chief Financial Officer

Thanks, Mike and good afternoon everyone. I'll start with a review of our financial results for the fourth quarter and then provide our current outlook for the first quarter of fiscal 2022. Revenue in the fourth quarter was $798 million, $13 million above middle point of our guidance. Networking represented 55% of our revenue and storage contributing 41%. Revenue from other accounted for the 4% of our revenue. GAAP gross margin was the 52.8%.

Non-GAAP gross margin was 63.9% of revenue, both consistent with our guidance. GAAP operating expenses were $423 million and include the cost of share-based compensation expenses, amortization of acquired intangible assets, legal settlements, and acquisition and divestiture-related costs. Non-GAAP operating expense were $283 million, just above middle point due to slightly higher project costs. GAAP operating loss was $2 million, non-GAAP operating profit was $226 million or 28.4% of revenue. For the fourth quarter, GAAP income per diluted share was $0.02. Non-GAAP income per diluted share was $0.29.

Now turning to our balance sheet. During the quarter, cash flow from operations was $158 million. We returned $40 million to shareholders through dividend payments. During the quarter, we paid down $150 million of our term loan and exit the quarter with $748 million in cash and cash equivalents and a total debt outstanding of $1.2 billion. Our net debt-to-EBITDA ratio was a 0.5 times on a trailing 12 month basis. We have temporarily suspended our share repurchase program due to the pending acquisition of Inphi.

For the full fiscal year of 2021, we returned a total of $186 million to shareholders through $161 million in dividends and $25 million in share repurchases. In addition, we paid down $250 million of our term loan. During fiscal 2021, we also generated strong cash flow from operations of $817 million.

Turning to our guidance. For the first quarter of fiscal 2022, we are forecasting revenue to be in the range of $800 million plus or minus 5%. We expect our GAAP gross margin will be approximately 52.5%. We project our non-GAAP gross margin will be approximately 63.5%. We project our GAAP operating expense to be approximately $391 million. We anticipate our non-GAAP operating expenses to be approximately $300 million. We expect our non-GAAP tax rate of 5%. We expect our basic weighted average shares outstanding will be 677 million and our diluted weighted average shares outstanding will be 690 million. As a result, we anticipate GAAP earnings per share in the range of a loss of $0.05 per share on the low-end to an income of $0.05 per diluted share on the high-end. We expect non-GAAP income per diluted share in the range of $0.23 to $0.31.

Finally, two housekeeping points. As a reminder, our GAAP EPS is calculated using basic weighted average shares outstanding when there is a GAAP net loss and are calculated using diluted weighted average shares outstanding when there is GAAP net income. Non-GAAP EPS is calculated using diluted weighted average shares outstanding. In terms of expenses, you should expect us to continue to invest in our long-term growth with disciplined resource allocation.

We expect our operating expense growth to be well below our revenue growth. Our opex increase year-over-year will be primarily due to employee merit increase and the normal inflation items such as the EPA2 [Phonetic]. Our outlook for operating expense in the first quarter reflect the seasonal increase in payroll taxes. This seasonal effect is expected to dissipate in the second quarter offset by a partial quarter of merit increase. The full impact from merit increase will be present in the third quarter. By the time we exit the fiscal year, we estimate our non-GAAP operating expense in the fourth quarter will increase in the range of 3% to 4% on a year-over-year basis. Operator, please open the line and announce Q&A questions. Thank you.

Question & Answers

Operator

[Operator Instructions] Our first question comes from the line of Harlan Sur from J.P. Morgan. Your question please.

Harlan Sur - J.P. Morgan - Analyst

Good afternoon, thanks for taking my question. Appreciate the commentary on supply constraints and I'm not asking the team to endorse higher revenues in the second half of the year, but I would expect China 5G spend to come back in the second half. 5G outside of China remained strong. Sony is going to double their PS5 shipments this year and then you have continued momentum in cloud, but if the backlog supported higher revenues in the second half, let's say 10% higher versus the $800 million in April, is the team confident that it can support quarter-on-quarter revenue growth through the second half or do you think that, that will be a challenge just given the tight wafer substrate and assembly and test capacity constraints.

Matt Murphy - President and Chief Executive Officer

Sure, thanks, Harlan. Yeah, no, I think you highlighted some of the growth drivers. So just a few comments. I think the first is, we have been planning for growth in our FY '22. I think we're off to a good start for the year. If you look at our Q1 guidance alone, it's going to be up 15% year-over-year versus a year ago. We've got some very strong secular growth drivers. You mentioned 5G and there is certainly some positive signs especially for the second half there. We have our cloud business, which is also growing on a secular basis as well as our new product ramps and actually we also have automotive which is really off to a good start this year and we see that continuing. So we've got that as a tailwind behind us.

I'd say we've been able to drive growth even if you look at FY '21 pretty consistently. We've been growing each quarter, quarter-over-quarter and year-over-year. Q4, we were able to actually exceed guidance and make up - service some of the demand that was there. So that was a positive side. So, I think the message is, we've been delivering well. There has been a new sort of increased surge and that's really where we're focused is working with our supply chain partners to be able to capture that upside above and beyond the growth rate that we've already been achieving.

So bottom line answer to your question is I'm very confident that we can grow revenue in the second half based on the capacity that we've secured and worked hard with our supply chain partners to put in place and we're also going to look to see if there is upside opportunity to pursue that as well and that's not only for this year, but as I look even into our FY '23, we're starting to work with our supply chain partners there as well to really give them advanced notice because we see those trends like 5G, cloud, and automotive being even stronger in the out years with new products ramping, new customers coming online and we're pretty excited about our future there. So yeah, I think we'll be in - we're working hard on all fronts.

Harlan Sur - J.P. Morgan - Analyst

Great, thank you, Matt.

Operator

Thank you. Our next question comes from the line of Vivek Arya from Bank of America. Your question please.

Vivek Arya - Bank of America - Analyst

Thanks for taking my question. Matt when I look back at this earnings season, most semiconductor companies reported and guided to trends well ahead of expectation, right, so much so that investors might have often complained about over-shipments or pull-in of orders, but when I compare your Q4 and Q1 against expectations, it's been more measured. I'm curious how much of this would you attribute to a different end market mix, that how much of this is due to supply constraints and then more importantly, what changes or gets better the rest of the year so you can start to accelerate your sales growth? Thank you.

Matt Murphy - President and Chief Executive Officer

Sure, yeah, I think, Vivek, it's a couple of things. I think first it has a lot to do with the end markets that we're in. I mean, fundamentally remember, we're one of the only pure play infrastructure companies, so we don't have consumer demand that sort of very volatile maybe good one quarter maybe not so good in two quarters, we don't have a lot of demand that sort of comes and goes. We tend to, and this is sort of by design by the way, the business model that we've put together is to bring together these various end applications and drive consistent and ideally predictable growth.

So while we may not be as flashy in some quarters as certain companies that really have some explosive demand, but then maybe at a base later, we're focused on slow and steady wins the day and continuing to execute and grow our company quarter-over-quarter and year-over-year. Certainly, there is opportunities out there to secure some upside and we're working on that, but I think even if you saw in Q4 for us we were quite pleased with the overachievement on revenue and we're very comfortable with the first quarter guide as well. So I think it's more around we've been one of the faster growers in the last few quarters and also our end market dynamics ideally will deliver more repeatable and sustainable long-term growth with maybe less quarter-to-quarter variation. That's been the strategy.

Vivek Arya - Bank of America - Analyst

Anything changed in the second half versus what you have seen in the last two quarters? What gets better from here?

Matt Murphy - President and Chief Executive Officer

In terms of the demand or the supply?

Vivek Arya - Bank of America - Analyst

Yeah, on the demand and the end market mix.

Matt Murphy - President and Chief Executive Officer

Sure, yeah, well, I think a couple of things are going on. If you, as I indicated in my comments earlier with Harlan, we certainly have 5G in the second half will continue to accelerate. We have - there are new geographies coming online. We believe that the U.S. shows very good prospects for the second half. We believe that China as well will go through their digestion phase and then you have Japan and you have new countries even India is talking about potentially pulling in their spectrum auction. So that's all positive. So we expect that to continue.

Our cloud business continues to grow and we see that continuing both on a secular basis as well as new products, including our ASIC storage and our DPUs which are doing quite well in terms of SmartNICs. Automotive, the same thing, we've got a good ramp going with our calendar - our model year, sorry, '21 ramps. We've got more to come in model year '22 with additional OEMs coming online as well as expanded content and even some of the new automotive, I call it the new breed of automotive OEMs, the EV -only focused companies really aggressively adopting our solutions.

So we're positive there and then we've got custom SSD controllers, both for cloud as well as for our system OEM. And finally, on top of that, our enterprise business has done extremely well. If you look at - which was surprising, but if you look at even our results in last year, that business with our switch and PHY products grew significantly primarily on our own product cycle and we also are very optimistic about that as well. So there is a number of good things that are happening in our business, Vivek both from an end market as well as a product cycle standpoint. And so as Harlan pointed out, we've got to go just continue to make sure we've got the right supply profile to meet that, but we're working hard on that.

Vivek Arya - Bank of America - Analyst

Thank you.

Operator

Thank you. Our next question comes from the line of Timothy Arcuri from UBS. Your question please.

Timothy Arcuri - UBS - Analyst

Hi, thanks and Matt, I just had a question on the storage business. It was well above seasonal for fiscal Q4 and a little bit below seasonal for fiscal Q1. I guess I'm a little surprised that it will be below seasonal for fiscal Q1 when all your customers are talking about controllers being on allocation. So I guess I wanted to just talk about that and then I was wondering if maybe you can talk about what sort of you see as normal seasonal in fiscal Q2. I think typically it's up like mid-singles. Do you also have fiber channel happenings [Technical Issues] can you talk about those two factors. Thanks.

Matt Murphy - President and Chief Executive Officer

Sure. Maybe Jean, I'll have you answer the first part on storage and then Tim, I'll have you repeat your question, you broke up a little bit on the second part of it, but Jean why don't you go ahead and give some comments around storage?

Jean Hu - Chief Financial Officer

Yeah, hi. On storage side, in Q4, we really have really strong quarter and the performance really is a combination of our own product cycle and also strong end market demand across the board. So in HDD and fiber channel, certainly, we see the demand in nearline which our business performed really well and also just the broad demand on the client side too. On fiber channel, we do see the demand bouncing back and also the customers are restocking because of the supply challenge in the last year has caused a lot of problems in fiber channel. So fiber channel is a little bit lumpy.

And then if you look at the Q1, you know, frankly, the storage controller business, when you look at the HDD and SSD, they are actually quite seasonal. It's declining quarter-over-quarter, very consistent with the broad market. The fiber channel is where it becomes really lumpy. The Q4 performance is pretty good and strong, but the customers also are restocking. So we do see Q1 fiber channel again is declining much more than seasonal, but if you look at the overall in the longer-term, fiber channel business actually is quite stable. So the quarter-over-quarter lumpiness is definitely exaggerated last year by the supply chain constraints. I think you need to repeat your second question because we did not hear it clearly.

Timothy Arcuri - UBS - Analyst

Thanks for that, okay, hope you can hear me now. So I guess the question was just given all that improvement, how you think about what normal seasonal is for fiscal Q2, like it's typically up sort of mid-singles. Is that the right way to think about it into fiscal Q2? Thanks.

Matt Murphy - President and Chief Executive Officer

Yeah, I think, Tim, so first of all, I think we have a - I don't even know what the new normal is in storage anymore, but there certainly is a seasonality effect of that, but we're not really guiding out that far at this point. What I want to emphasize though is that even on the sort of lumpiness of fiber channel, which has definitely started I think with the shelter-in-place orders that went into effect earlier in 2020, there's just been a - it's been a lumpier business than normal and so it had a very good Q4 and then obviously, we've guided it down for Q1, but if you just sort of step back, storage overall for Marvell is up 10% year-over-year in Q1 is what we're guiding.

So despite some of the lumpiness and this is a higher sort of beta business than the rest of our businesses. We're still pretty pleased with the trajectory of this business and we do expect the fiber channel portion to normalize throughout this year assuming that there is no more supply chain surprises.

Timothy Arcuri - UBS - Analyst

Okay, Matt. Thanks much.

Operator

Thank you. Our next question comes from the line of John Pitzer from Credit Suisse. Your question please.

John Pitzer - Credit Suisse - Analyst

Yeah, good afternoon guys. Matt, glad to see the 10% sequential growth expected in networking in the April quarter, but I'm kind of curious when you look back at the January quarter, I'm a little surprised that networking was down sequentially. I mean it was essentially flat in line with your guide, but just given the level of delinquencies, did the supply problem get worse or is this may be a function that when you look at the networking business, there is portions that are just tied to campus and enterprise and then there is sort of the growthy parts of your business. I guess did the growthy parts grow sequentially and there was an enterprise overhang and as you look out throughout the balance of the year, how do you think about just re-opening trade around enterprise and the impact it's going to have on your networking business?

Matt Murphy - President and Chief Executive Officer

Yeah, no, I think you know as we've said, the supply impacts we've seen have been more pronounced in the networking business. So that has limited our ability to deliver upside like we want to - even then you got to remember too, the compare is a little bit tough because we did have a very strong Q3. I mean you got to now go back to sort of what are you comparing it to. If you remember, Q3 was up very significantly from our Q2 and then year-over-year, it was up a ton. So the flat compare, while we wish we could have done a little better, it's still on an annual basis, still growing really well.

I wouldn't really break out there was sort of weakness in one or the other. I think we're coming off a big Q3 and then also the 5G was up and enterprises continue to be up and we've actually seen from a year ago, everything growing. So I think it's more of a sequential issue and certainly we're pleased with the Q1 10% up and that business continues to do very well for us.

John Pitzer - Credit Suisse - Analyst

And then, Matt, just on the cost side, how much are you absorbing versus being able to pass on. Is it material to gross margins and is that something that sticks around for most of this fiscal year or is that something that could reverse itself in the second half?

Jean Hu - Chief Financial Officer

Hey, John, this is Jean. Yeah, I'll take this question. So definitely, as Matt mentioned earlier, we are working with the customers to share the increase in the cost and the way we're looking at is our first priority is to really meet the customer demand especially with the increased demand for our product. As far as the gross margin, we are very pleased with our Q4 performance and the Q1 guide and then Q1 guide, if you look at it, it's primarily driven by mix and we'll continue to improve our gross margin to our target level we discussed during our Investor Day, which is 65%.

I think the pace of that improvement is probably different in today's supply constrained environment versus normal environment because we do want to make sure we meet the customers' demand - increased demand under current supply constrained situation. So the pace will be a little bit different, not as we expected during our last investor day.

John Pitzer - Credit Suisse - Analyst

Thank you.

Operator

Thank you. Our next question comes from the line of Blayne Curtis from Barclays. Your question please.

Blayne Curtis - Barclays - Analyst

Hey, good afternoon. Thanks for taking the question. I just want to ask, I know you answered a lot on the storage and said it would be short all year, you did miss some shipments in January and I thought at the time, you were thinking of catching up in April. So as you look at the guidance of 10% for networking, one, I just wanted to know, you're catching up on some of those January shipments within that 10% and then I think I heard you say basically everything but 5G ASICs will be up. I was wondering if you could give us any more color as to what the primary drivers of that growth is?

Matt Murphy - President and Chief Executive Officer

Well, yeah, no, on the second part, you're right. Other than 5G ASICs which were mostly tied to the China deployments in 5G which were extremely strong in calendar '20 and we're seeing that digestion now, yeah, the rest of it is up, but there is - it's not necessarily a catch-up per se in Q1. I mean, we are seeing demand increase and I think we see revenue going up and we see - so I'd say it's more demand driven than just oh, well, we've caught up and now the demand is flat, we actually have a pretty robust demand picture for that particular business both year-on-year and sequentially.

Jean Hu - Chief Financial Officer

And overall, to just add what Matt said, overall, we continue to have same delinquency, right? So it's certainly a supply chain constraint.

Blayne Curtis - Barclays - Analyst

Thanks.

Operator

Thank you. Our next question comes from the line of C.J. Muse from Evercore. Your question please.

C.J. Muse - Evercore - Analyst

Yeah, good afternoon, thank you for taking the question. I guess to clarify Jean, are you implying opex in fiscal '22 is growing roughly 2.5% and then I guess for the primary question, Matt, can you discuss your engagement with hyperscale customers. Can you kind of walk us through the initial work on perhaps discrete ASICs and how that kind of relationship is evolving to perhaps more custom solutions across increased areas of processing. Thanks so much.

Jean Hu - Chief Financial Officer

Yeah, it's - our opex year-over-year, you can think about it around 3% the typical inflation year-over-year. We are managing our resource allocation to ensure we continue to invest in all the growth platforms we have. So that's how you can model it.

Matt Murphy - President and Chief Executive Officer

Yeah, C.J. I'll take your other question. So I think if you even go back to our purchase of Avera, there was really two - we had a thesis there on two fronts. One was to be more relevant in the 5G market and be able to offer full custom design capability along with this semi-custom that we had developed with our lead customer and as you've seen, that's gone really well. The second was that the recognition that in the cloud hyperscale market that more and more of the particularly compute-based solutions were going to go to full custom or even semi custom but a need to really have a full ASIC capability and there is a range of applications by the way, these things could be anything from AI or ML chips to server class CPUs to networking products, SmartNICs. So there is a variety of applications and as I said in my prepared remarks, this trend is here to stay and we think it's good for us.

I think there is a world that's post x86 or certainly co-exist with it where more and more of the compute and more and more of these solutions are moving to very, very customized products and we have all the ideal pieces to support that in terms of our process technology, our in-house IPs like our SerDes both for short reach and medium and long reach at the highest frequencies including 112 gig and our ability to really partner closely and deeply and be flexible on our business model as well.

And what I mean by that is we can do standard ASICs that are the traditional model you think of, but increasingly, what I'm seeing is the engagements with the cloud companies are really, really more partnership oriented where it's solutioning together and it's proposing architectures and proposing four different ways to do something and then coming up with a model that really suits their needs and so I think sort of our go-to-market plus our technology road map and then having all these key pieces, whether it's networking IP, very, very strong compute portfolio with all of our history from the Cavium side in our base processors to security to storage and then with Inphi coming in, obviously, the optical connectivity. So I think we're going to - we can be an ideal partner here and we think this is going to be a very big opportunity and it's going to be one that's here to stay.

C.J. Muse - Evercore - Analyst

Thank you.

Operator

Thank you. Our next question comes from the line of Ross Seymore from Deutsche Bank. Your question please.

Ross Seymore - Deutsche Bank - Analyst

Hi guys, thanks for letting me ask a question. Just a clarification, then a question. The clarification just, Jean, usually you give a little color on what the other segment is going to do, but the main question for Matt is on the 5G side of things. I think everybody knows the digestion period that's going on in China now some of the transitions going on geographically and the optimism people have in the second half, but you are really outperforming during the transition period that we have right now and it sounds like you'll continue to in the back half. So I guess what I'm getting at is when you think about your company specific drivers separated from the market as a whole improving in the back half, do you think that outperformance you are delivering now accelerates or decelerates and what are the drivers of that performance above and beyond what the end market itself is going to do?

Matt Murphy - President and Chief Executive Officer

Sure, why don't I take the 5G question, then Jean, you can comment on other. So, yes, Ross, I think you're right, I mean we've performed really well on this cycle. We had six quarters of sequential revenue growth in 5G and we were able to power through as new products ramped and new customers came online when some others may be felt different phases of digestion. So I think we're pleased with that outperformance and that run. The China in particular deployments last year were very large and so as you pointed out, I think a number of companies are going through a similar digestion, but we do expect this business to accelerate and continue to outperform for a couple of reasons.

I think one is our lead customer has certainly gained momentum in some of the markets that will be ramping in the second half plus in calendar '22. So that's a positive sign and there's also within them, there is programs where we have new sockets where content is also, it's new content for us and then we have our second customer, Nokia, which this year will be our first full year, not even a full year, it's ramping this year into production with our base band product. It will be a full year in '22 and then we have additional content with that customer, which was all publicly announced last year that will start to phase in after that.

So I think there is, yeah, there is a number of Marvell - very specific Marvell drivers with some of the most important companies in this space and then even looking beyond that horizon, we've got really good traction with our O-RAN initiatives and we're in the mix on a number of very important sockets across all the OEMs that will keep driving growth here. So we feel very good about our 5G position that it can continue to outperform and accelerate going forward.

Jean Hu - Chief Financial Officer

Yeah, Ross, on the other question, just a reminder, other is largely of our printer business today and quarter-over-quarter, it's actually going to be just up a couple of million dollars sequentially.

Ross Seymore - Deutsche Bank - Analyst

Thank you.

Operator

Thank you. Our next question comes from the line of Tore Svanberg from Stifel. Your question please.

Tore Svanberg - Stifel - Analyst

Yes, thanks. And I'll keep it to the one question. So, Matt, you referenced some strategic meetings with Inphi. I know the deal is not going to close for a few more months but from those meetings, could you perhaps give us a few examples on how the two companies are combining the IP to go out and target some real opportunities.

Matt Murphy - President and Chief Executive Officer

Yeah. So, let me give you a little background on what we did, how we're thinking about it, and maybe some broad-brush strokes on the opportunity. Certainly we're not, we're still two separate companies, so I think more to come on that, Tore, and some of the opportunities as well, some are pronounced and some are nuanced, but the bottom line is, first of all, Ford and Loi, the founder of Inphi have together just an incredible team. I mean, we've now gotten exposure to their - through this process, which was great. Their key engineering leadership, their key product marketing people, their business unit leaders and also same on our side, so it was really a very, very powerful I'd say joint meeting where we reviewed all of our various businesses and we were able to identify a number of exciting areas where we certainly can work together.

In general, the technology is obviously very complementary, but we do sit in the same systems and certainly there is things like process road map and customers where we can go in together. So I'd say the net - and the way we - the reason we did this is we're really approaching this as a merger with the Inphi team and so we're going to bring them in and we're going to look at the - really the combined company spending and identify jointly the best opportunities to get the highest ROI and drive the best top line growth and so what we found is we believe this is going to give us an opportunity to allocate some additional spending in some very targeted areas within the Inphi team to actually accelerate some of their ambitions and growth and I can tell you from our side in my entire management team multiple layers down is very excited about the team coming over and their product lines and their prospects.

And I look forward in future meetings to actually start articulating some of these in a lot more detail but I just end it by saying thematically, combined I think we've become much more important and much more relevant in the cloud hyperscale market than either company would have been independently and I think together given the system level of complexity that these companies are dealing with, the cutting edge performance they need, the deep sort of real technical and strategic partnerships they're looking for, we believe that this can be as important and strategic a market and probably larger market combined than 5G.

And so I think our strategy we laid out at the Investor Day, which was a little bit before Inphi but certainly was on our mind, which was really think about 5G as this wave of growth that we're seeing right now, the cloud then following that and certainly Inphi layering in will accelerate our opportunity there and then we have a lot more share at a later date as well in our automotive opportunities which is starting with Ethernet, but it's now branching out into other aspects of Marvell including storage and security, compute, ASICs, and some other additional networking type of solution. So, all in all, I think the combined company is going to be very, very relevant in this cloud market especially.

Tore Svanberg - Stifel - Analyst

Thank you for that context.

Matt Murphy - President and Chief Executive Officer

You're welcome.

Operator

Thank you. Our next question comes from the line of Christopher Rolland from Susquehanna. Your question please.

Christopher Rolland - Susquehanna - Analyst

Thanks for the question. Going to the ASIC side of the business, maybe piggybacking on some that have already been asked, but maybe you can talk about where this new design pipeline is coming from. Is it storage? Is it networking? Is it compute? Where are you getting the most traction there and then as we look out, let's say five years, Matt, what percent of your business do you think or expect or would like ASICs to be?

Matt Murphy - President and Chief Executive Officer

Yeah, I think - let me give you the backdrop. So I think the exciting part of our ASIC opportunity and I would even broaden that to say our broader I'd call it advanced technology opportunity of which ASIC is certainly an important piece. This would be what I would call our five - just think about our 5-nanometer platform as its own potential growth opportunity.

We publicly announced this in August of 2020, but we have been securing designs in this technology as early as end of 2019 type of time frame, early 2020 and so since that time frame, we've grown this design opportunity funnel to be very significant in size relative to anything we've seen before on the single sort of process node and it's very broad, Chris, I think that's sort of the point I want to make.

I think there are, if you go by market, certainly there are 5G designs that we've already won and secured as an example there and there is a large pipeline in front of us as people move from sort of 12 to 14, 16-nanometer type of products and they want to go all the way down, there are significant cloud hyperscale opportunities. Some of those I mentioned earlier, but also in enterprise, we've had good success in promoting our OCTEON based CPUs into that market. That would be more of a standard product, by the way, not a custom.

And then even in storage, we've seen some very important customers in the storage market take a leadership role and work directly with us to develop state-of-the-art flash controllers for things like data center and enterprise applications using our 5-nanometer technology. So this is much broader, Chris, than oh well, Marvell has got a 5-nanometer thing and they can go offer ASICs with a standard sort of model that will generate some revenue.

It's really a transformational platform for us which where we could use for traditional ASICs, but increasingly, we're finding that these custom opportunities that people come and ask us for, several of them have now converted into Marvell products where we're designing the entire product based on a spec and designing the product for them rather than - and then of course there is more value that could be captured there, it's a more stickier engagement and these are all very significant type of opportunities in particular in the cloud market.

So I hope that's helpful context to sort of broaden it because certainly we had a view maybe going back to when we bought Avera, hey, this will be great, we can have a nice big ASIC business, but it's turned into much more than that and yes, we're excited to talk about that in the coming quarters as we close designs and we take advantage of the pipeline that our sales team and our business units have developed, which is extremely strong.

Christopher Rolland - Susquehanna - Analyst

And what percent do you think it could be in five years?

Matt Murphy - President and Chief Executive Officer

That's hard to say and I think it depends on what you mean like is it, how much is ASIC versus how much is semi custom versus how much is in 5G, but this is clearly a - this is the future growth of the company. So you should assume these things are multi-billion type of opportunities for the whole platform going forward, right? I mean this is where we're going to be the growth engine of the company. So it's very significant. These are not niche one-off designs that we're winning that will kind of be a nice sort of headline news product. This is going to be really the driver of the company's revenue growth. So in aggregate all of this becomes a very significant portion of our future company revenue.

Christopher Rolland - Susquehanna - Analyst

Excellent.

Operator

Thank you. Our next question comes from the line of Joe Moore from Morgan Stanley. Your question please.

Joe Moore - Morgan Stanley - Analyst

Great, thank you. In terms of the constraints, I wonder if you could talk to, you mentioned substrates as being maybe the biggest factor and then certain geometry wafers, which geometries are those? And then just as a bigger picture aspect of this, it seems like from our checks that networking chips in general are tighter than other things even though there is tightness in graphics and they aren't [Phonetic] able to grow quite a bit, is there something different with substrates and things like that where this is affecting the infrastructure businesses more than it's affecting other areas?

Matt Murphy - President and Chief Executive Officer

Yeah, I think on the first question, you know, Joe, it's hard to say. I mean this is such a dynamic environment, right? We've been reviewing every part of the supply chain as a team for months, right and we're finding that we solve one issue and then another one seems to appear and if you even go back to our last earnings call, I remember there were some questions there like, well, tell me about the supply chain issue and you fast forward three months and you know the U.S. automotive industry is in disarray because they can't get chips, right? So things are moving at a very rapid pace.

I will note that we are supplying quite well actually on our automotive products. So don't make that comment with Marvell, that's more of a general one, but we do see point capacity stress with complex substrates for sure. We see some of the quote older nodes and what I would mean by that is, this isn't sort of 5 to 7-nanometer type of things, these are more going back to call it 28 and above, right that have different pain points that companies are working with and that's where a lot of this automotive I think tends to sit.

So there is not a silver bullet. It's just going to take a lot of hard work and even things like, I think I noted it in the last call, things like wire bonders have - those lead times have stretched. So our OSATs are just having a hard time keeping up. Now they're spending money and they're certainly adding capacity and we're engaged in that planning process to make sure we're okay but that's maybe a little bit more detail on that side. And then what was your second question?

Joe Moore - Morgan Stanley - Analyst

Yeah, I know that was basically the question is, just if there is something different -

Matt Murphy - President and Chief Executive Officer

Oh, on the networking chip, yeah I know.

Joe Moore - Morgan Stanley - Analyst

Yeah, I mean graphics chips are in short supply but people are kind of growing 20% faster than they thought and then constrained at that level where it seems like the networking shortages are just as severe. We're hearing about them from your customers, but demand doesn't seem to be on that kind of crazy trajectory.

Matt Murphy - President and Chief Executive Officer

Yeah, it's hard for me to benchmark since we're not in the graphics business. So it's a little bit of a different scale, but certainly the complexity level of these products when you look at just the complexity of the substrates alone. I mean I think the number of layers if you go to these advanced products and call it 14, 16-nanometer and below have probably doubled in terms of the complexity of the substrates and they're just extremely large die. These are thousands of IOs and some of these dies are virtually the size of a credit card.

So you've just got very low die per wafer and you've got a lot of demand and it's been difficult for people to keep up. There's also test constraints that the test times on these things are very long because of the complexity of the product. So there is just, maybe that's the reason, but I run an analog business and now I run Marvell, but I've never run a graphics business. [Speech Overlap]. You can ask my buddy Jensen about that.

Joe Moore - Morgan Stanley - Analyst

Just comparing and contrasting. That's very helpful, thank you so much.

Matt Murphy - President and Chief Executive Officer

Yeah, you're welcome.

Operator

Thank you. And our final question today comes from the line of Srini Pajjuri from SMBC Nikko. Your question please.

Srini Pajjuri - SMBC Nikko - Analyst

Thanks for squeezing me in. Hey Jean, I have a question on opex and also on the margins. I guess as you ramp some of this 5-nanometer designs and as you engage more in 5-nanometer, I'm just wondering how you're thinking about opex, if there is going to be more volatility as we go forward and also I guess as we go to second half of this year and beyond, and 5G and ASICs become a bigger portion of your revenue, do you see any further opportunity to improve your gross margins from these levels? Thank you.

Jean Hu - Chief Financial Officer

Yeah, on opex, right, our team has done excellent job to manage operating expense, but you're right, there is some variabilities quarter-over-quarter due to the project cost and also we are working with our customer together. Sometimes the customer portion [Phonetic] may accelerate or push out. So there are variations, but I feel quite comfortable. Look at the overall for fiscal '22, we can manage the opex at the same time investing. So for instance, our Q4 our opex is slightly higher because project cost, but we'll manage overall.

On the margin side, I think our number one objective is really to meet the demand. We have significant opportunities for the company and we have increased demand across all the growth platforms as Matt mentioned, the 5G, cloud, and also automotive. So that's actually our number one objective and we certainly will continue to improve gross margin and make sure we get most margin dollars out of our business.

Srini Pajjuri - SMBC Nikko - Analyst

Got it, thanks, Jean.

Operator

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MARVELL TECHNOLOGY INC

Q4 2021

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