Corning And Nvidia Strike Massive AI Fiber Deal

TL;DR

Nvidia and Corning are partnering to replace copper cables inside AI servers with fiber optics, cutting energy use and latency at massive scale.

Key Points

• 1.Corning is building three new factories exclusively for Nvidia in North Carolina and Texas. The deal is likely worth tens of billions of dollars and signals a major shift toward replacing copper interconnects inside Nvidia's rack-scale AI systems like Vera Rubin.
• 2.The key technology is co-packaged optics, which swaps ~5,000 copper cables (two miles) inside AI server racks for tiny glass fibers. Fiber optics transmit data as photons rather than electrons, making them 5–20x more power-efficient and significantly faster, reducing latency across hundreds of thousands of GPUs.
• 3.Corning, founded during the Gold Rush era and turning 175 this week, is already supplying fiber to Meta, OpenAI, AWS, Microsoft, and Google. CEO Wendell Weeks helped invent a new denser, thinner fiber optimized for AI workloads, and Meta has committed up to $6 billion for Corning's fiber as part of a major factory expansion.