NVL72
An NVIDIA rack connecting 72 Blackwell GPUs into one NVLink domain that behaves as a single huge 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
132 kW HPE GB200 nominal TDP / up to 142 kW GB300 facility basisper dense training rack (HPE GB200 NVL72 ~132 kW nominal TDP; GB300 up to ~142 kW facility basis)
3.0 TB/sNVLink 6 per-GPU bandwidth (Vera Rubin, shipping spec); 900 GB/s Hopper, 1.8 TB/s Blackwell — ~216 TB/s per NVL72 rack