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Performance attribution for the quarter was driven by 15% year-over-year product revenue growth, fueled by the ongoing transition from DDR5 Gen 2 to Gen 3 chips.

Management attributes the shift toward agentic AI and inference as a primary catalyst, as these workloads increase the ratio of CPUs to GPUs and demand higher memory capacity and bandwidth.

The company is strategically expanding its portfolio beyond core RCD chips into chipsets for SOCAMM2 and MRDIMM to capture richer content per server module.

Operational execution in Q1 addressed a quality issue identified in the quarter, enabling the ongoing restabilization and normalization of the supply chain as the company guides for 11% sequential growth in Q2.

Silicon IP growth is accelerating as hyperscalers increasingly develop custom silicon for AI, driving demand for advanced PCIe retimers, switches, and security engines.

The market environment is characterized by a heterogeneous AI infrastructure where traditional and AI server platforms must combine to support complex, always-on orchestration.

Q2 guidance assumes 11% sequential product revenue growth at the midpoint, supported by the continued ramp of next-generation platforms.

Management anticipates supply chain tightness, particularly in back-end capacity, to persist going into 2027 due to high data center demand and geographic shifts in manufacturing.

The revenue ramp for new MRDIMM products is expected to start in earnest in 2027, contingent on the launch timelines of Intel and AMD platforms, with the full $600 million TAM opportunity expected to be realized by 2028.

Strategic inventory building will continue in Q2 to mitigate potential supply chain constraints and support steep customer ramps for new product generations.

Rambus expects to exit 2026 with companion chips contributing mid-double-digits to product revenue, an increase from the low double-digit contribution seen in Q1.

Back-end supply chain lead times remain long, driven by semiconductor companies moving operations out of China and increased competition for data center components.

The new SOCAMM2 chipset is positioned as a strategic stepping stone for LPDDR in servers, though management expects minimal financial impact in 2026 due to low initial volumes.

Product revenue growth is heavily dependent on the timing of third-party CPU platform launches, which dictates the adoption rate of new memory interface generations.

Geopolitical shifts have strained total capacity at back-end suppliers, though management has not yet seen direct impacts from Middle East conflicts on basic elements like gas.

Management confirmed the quality issue is fully resolved and the supply chain is normalizing.

The 11% sequential growth guided for Q2 reflects this stabilization and the market transition to Gen 3 DDR5.

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While current volumes are small, the chipset allows Rambus to engage with AI players exploring LPDDR for power-efficient server modules.

It serves as a technical foundation for future LPDDR6 solutions which will require more sophisticated interface and power control.

Inference and agentic AI workloads are shifting the hardware ratio in favor of CPUs compared to training-heavy clusters.

This trend benefits Rambus as standard DIMMs and MRDIMMs remain the 'workhorse' for these CPU-centric inference tasks.

Tightness is driven by a combination of surging data center demand and the structural migration of supply chains away from China to other Asian countries.

Management expects these constraints to remain a factor into 2027, necessitating strategic inventory management.

Rambus exited 2025 with approximately mid-40% market share and expects to maintain or grow this position through 2026.

Growth is expected to outpace the broader market as the company adds more content per module via companion chips and new chipsets.

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