Nvidia opens Vera Rubin rack designs and DSX software at OCP

At the 2026 OCP Global Summit, Nvidia contributed its MGX 1.2 spec for Vera Rubin racks with liquid cooling and a 5,000A busbar, open-sourced DSX OS components, and teamed with Cisco on the USFP optical form factor. It also co-authored the Open Data Center Specification v0.7 with AMD, Google and Meta.

• MGX 1.2 supports racks up to 250kW with fanless liquid-cooled trays
• Nvidia and Cisco's USFP claims 4x bandwidth density of 200Gb/s-per-lane optics
• Open Data Center Specification v0.7 covers power, cooling and layout for AI factories
• Meta adopts Spectrum-6 102.4Tb/s switches running FBOSS in N-IceCube