GB200
An NVIDIA Blackwell-generation system pairing two GPUs with a Grace CPU, deployed in the NVL72 rack-scale design.
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
1.8 TB/s bidirectional (~0.9 TB/s per direction)NVLink 5 per-GPU bandwidth (~130 TB/s per GB200/GB300 NVL72 rack): ~18x GB200’s 400 Gb/s NIC, ~9x GB300’s 800 Gb/s