Marvell's Q4 2026 earnings reveal a strong data center revenue growth outlook with robust demand and accelerating backlog, supporting a multi-year growth trajectory through 2028. The company expects fiscal 2027 and 2028 data center revenues to grow by approximately 40% and 50% year-over-year, respectively.
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What are the key demand and backlog signals indicating for Marvell's data center revenue growth in 2026?
Strong and Increasing Demand Across Portfolio
Marvell delivered record Q4 fiscal 2026 data center revenue of $1.65 billion, up 9% sequentially and 21% year-over-year. This exceeded guidance and was driven by robust demand in optical interconnects, custom silicon, switching, and storage products across the full portfolio 12.
Acceleration in Bookings and Backlog
Management reports strong, accelerating bookings across the entire data center portfolio with customers signaling robust multi-year demand extending into 2027 and beyond 32. Bookings and backlog are supportive of a multi-year growth cycle for the company. The clear statement of "very strong bookings" and "accelerating at a record pace" provides strong visibility into future revenue streams 3.
Organic Growth with Minimal Near-term Acquisition Contribution
The revenue growth acceleration for fiscal 2027 and beyond is driven organically, as recently closed acquisitions are expected to contribute meaningfully only starting fiscal 2028 4. Therefore, the pipeline and backlog growth reflect fundamental strength in Marvell’s core data center businesses.
Guided Growth Rates and Revenue Targets
Product-Specific Demand and Backlog Details:
Interconnect (Optical and Electrical):
Marvell leads with next-generation 1.6T PAM and coherent optics solutions already in production. Bookings for 1.6T solutions are strong with multiple Tier 1 customers, and management expects rapid ramping in fiscal 2027 and substantial growth continuing into fiscal 2028 1.
The company introduced 2nd generation 1.6T coherent light products with integrated MACsec security, and plans to sample 2-nm DSP-powered secure 1.6T DCI modules later in the year, further expanding the TAM 5.
Marvell predicts maintaining leadership across successive PAM generations and expects this technology to underpin growth through the decade with emerging 400 gigabit-per-lane (3.2T) capabilities already demonstrated 1.
The scale-up interconnect market, leveraging Celestial AI's photonic fabric (CPO), represents a substantial new growth opportunity, potentially exceeding $10 billion by 2030. Celestial CPO revenue is forecasted to reach $500 million annualized rate by Q4 fiscal 2028, doubling by fiscal 2029 5.
Bookings and backlog underpin expectations for interconnect revenue to grow over 50% year-over-year in fiscal 2027, significantly outpacing the general cloud CapEx growth rate 4.
Switching:
Data center switch revenues exceeded $300 million in fiscal 2026 and are expected to surpass $600 million in fiscal 2027, driven by scale-out solutions and a strong ramp of next-generation 51.2T and upcoming 100T platforms optimized for AI 6.
Scale-up switching, combined with the acquisition of XConn, significantly expands Marvell’s total addressable market (TAM) and capabilities in PCIe, CXL, UALink switching, which are critical for AI infrastructure. These new product lines have high backlog and design wins with Tier 1 hyperscalers 67.
Custom Silicon:
The custom business doubled in fiscal 2026 from zero revenue just a few years prior, reaching $1.5 billion. It is expected to exceed 20%-30% growth in fiscal 2027 and at least double year-over-year in fiscal 2028, driven by existing programs, multiple XPU attach programs (NIC, CXL), and a new Tier 1 XPU program ramping production 378.
The custom segment benefits from deep multi-year engagements and strong visibility in customer volume requirements, with line of sight to revenues exceeding $2 billion by fiscal 2029 from select use cases alone 3.
Broader Market and CapEx Environment:
Supply Chain Confidence:
Supply chain management has improved, and Marvell has secured necessary supply to support the growth outlined through deeper forecasting and longer visibility to suppliers 12. This is a critical enabler of backlog conversion into revenue at scale.
| Factor | Details & Implications | Citation(s) |
|---|---|---|
| Q4 Fiscal 2026 Data Center Rev | $1.65B, +9% sequential, +21% YoY, exceeds guidance | 12 |
| Fiscal 2027 Revenue Growth Guidance | 40% YoY data center growth; overall revenue nearly $11B; multiple guidance raises in 2025-26 | 49 |
| Fiscal 2028 Revenue Growth Guidance | ~50% YoY data center growth; total revenue ~$15B | 14 |
| Strong Bookings & Backlog | Record bookings accelerate multi-year revenue visibility, supporting growth targets | 329 |
| Interconnect Leadership | 1.6T solutions in production with strong bookings; new 2-nm DSP products launching; leadership in PAM and coherent optics | 15810 |
| Switching Business Growth | Doubling revenue to $600M+ in fiscal 2027; scaling 100T products; expanded TAM via XConn acquisition | 67 |
| Custom Silicon Expansion | Doubled to $1.5B in fiscal 2026; >20-30% growth in 2027; expected to double in 2028 via multiple XPU attach and new Tier 1 program | 378 |
| Scale-Up Interconnect Opportunity | Celestial AI integration targeting $500M run-rate by Q4 fiscal 2028, scaling to $1B by 2029; market opportunity >$10B by 2030 | 513 |
| Increased Optics Attach Rates & ASPs | Driving growth above CapEx trajectory in optical interconnects | 810 |
| Supply Chain Readiness | Confident supply secured due to multi-year forecasting and strong supplier relationships | 12 |
| Customer Diversity & Engagement | Deep engagements with top U.S. hyperscalers, broad product mix, reducing risk and supporting backlog growth | 11 |
Marvell’s current demand signals and booked backlog strongly indicate a robust, accelerating growth trajectory for data center revenues through 2026 and beyond. The company’s guidance points to data center revenue growth rates of approximately 40% in fiscal 2027, accelerating toward 50% in fiscal 2028, driven by sustained strength across interconnect (optical and electrical), switching, and custom silicon businesses. This growth is supported by accelerating customer bookings, expanding TAMs, product transitions to higher-speed technology nodes and form factors, and a well-managed supply chain. Moreover, Marvell’s ability to innovate with emerging technologies such as Celestial AI’s photonic fabric positions it well in the rapidly evolving AI infrastructure market. The company’s multi-year visibility into customer demand and confirmed volume requirements mitigate execution risk and bode well for sustaining this high growth through the mid-term horizon.
All figures and statements are derived from Marvell Technology Inc.'s fiscal 2026 Q4 earnings transcript and associated commentary.
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Answer outline
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Answer outline
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Answer outline
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Answer outline
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Answer outline
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