Irrational Analysis
Semiconductor Engineer, Engineering-Driven Investment Analysis
Marvell looks well positioned for scale-up compute domains, where interconnect is the wall that limits performance. Scale-up domains should be thought of differently from simply networking racks together, and Marvell's own commentary now focuses on exactly that opportunity. x.com x.comÂ
Marvell has a long-term bull case if HBM proves the wrong fix for AI's I/O problem. Per @insane_analyst, the correct solution is optics driven by clock-forwarded SerDes, which can use LPDDR or DDR memory instead of HBM. x.comÂ
Marvell's management is running the stock as a pump and dump to move shareholders' money into their own pockets. Wall Street prices Marvell as an ASIC design house without realizing that ASIC design is just IT outsourcing. It is not a real CXL play either: CXL IP is sold by Cadence, Synopsys and Rambus with no moat, and Astera Labs, which builds the switches and software around CXL, is the only good CXL play. x.comÂ
Marvell's $70-90 billion FY31 revenue target looks credible: COO Chris Koopmans said key foundry, substrate and packaging suppliers get five-year forecasts and had already seen it before investor day. A $500 price target still looks too aggressive for now; Marvell must show it can grow its networking and photonics segment to deserve a safe price increase. x.com x.comÂ
The market may still be underestimating Marvell as it becomes a key supplier of custom silicon and connectivity for the AI build-out. At its Investor Day, Marvell put its addressable market at about $400 billion by 2030, targeted about $20B of FY28 revenue and said revenue could reach $70-90B by FY31. Last quarter revenue rose 37% to $2.74B on AI and data-center demand, and Nvidia's Jensen Huang reportedly called Marvell the next trillion-dollar company. x.com x.comÂ
Marvell is a loser from the AI-lab slowdown, because it can't earn premium margins if Nvidia and Broadcom also see a pause. Lab leaders including Elon Musk, Dario Amodei and Sam Altman have pivoted to warning that AI could kill you, which, with AI already polling badly, will make it much harder for AI to attract investment. x.comÂ
Marvell's end-to-end networking approach is well suited to heterogeneous GPU, CPU and ASIC compute and mixed optical/copper technologies. Its shift from AI loser to winner deserves a lot of credit: its old custom-ASIC focus had lost out to Broadcom and Alchip, but it is now back in ASICs as Google's TPU v10 partner. The stock's excellent run reflects how it is now perceived. x.comÂ
Rising 1.6T switching demand favors optical suppliers, though their execution risks vary. Bank of America says the market could grow ~101% annually through 2030. Marvell's leading DSPs and Lumentum's supply-short 200G EML lasers are lowest risk; Applied Optoelectronics' capacity expansion and Fabrinet's customer concentration make them medium risk. Aeluma remains pre-commercial, while Lightwave Logic's polymer modulators are a high-risk moonshot despite its TSM partnership. x.comÂ
Marvell is expensive, growing more slowly and not founder-led, so owning it directly makes little sense. x.comÂ
Marvell expects its revenue to grow tenfold in five years to $80B, driven by custom chips it builds for hyperscalers. Those companies design their own chips to reduce reliance on Nvidia and cut the long-term cost of off-the-shelf parts. The custom segment had no revenue two years ago and is expected to bring in $30B by 2031. x.comÂ