NVL72
An NVIDIA rack joining 72 GPUs (GB200, GB300 or Vera Rubin) into one NVLink domain that software can treat as a single large accelerator.
Current numbers
132 kW nominal TDP: 115 kW liquid + 17 kW airNVIDIA GB200 NVL72 by HPE: 132 kW nominal rack TDP, with 115 kW liquid and 17 kW air heat-removal duties
~140–220 L/min (water); ~144–230 L/min PG25Water-property flow for the HPE GB200 NVL72’s ~115 kW liquid load across OCP’s 7.5–12 °C rise
1st rack validated 2026-06-01CoreWeave-reported industry-first Vera Rubin NVL72 rack, validated 1 June 2026: ~3.6 EFLOPS sparse NVFP4, 216 TB/s NVLink 6