Nvidia is planning photonic interconnect systems to scale GPU capacity to 1000+ chips by 2028, with recent billion-dollar investments in optics specialists Marvell, Coherent, and Lumentum. The roadmap follows Grace Hopper (2023) and Grace Blackwell NVL72 milestones, driven by infrastructure demands exposed after ChatGPT's launch.
Infrastructure
How Nvidia learned to embrace the light in its quest for scale
Nvidia bets billions on photonic interconnects from Marvell, Coherent, and Lumentum to chain 1000+ GPUs by 2028, breaking the electrical density ceiling that limits current GPU clusters.
Sunday, April 5, 2026 12:00 PM UTC2 MIN READSOURCE: The RegisterBY sys://pipeline
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infrastructure