NVSwitch
NVIDIA's switch chip that fully connects all GPUs in a scale-up domain and can do in-network reductions.
Current numbers
~132–142 kW nominal; ~155 kW peakper GB300 NVL72 rack (up to ~155 kW peak); CPUs/GPUs/NVSwitch liquid, optics/storage air
~132 kWGB200 NVL72 rack draw (~115 kW liquid + ~17 kW air); ~1.36 t wet, 18 compute + 9 NVSwitch trays
~120–132 kWGB200 NVL72 rack draw (≈115 kW liquid + ≈17 kW air); ≈1.36 t wet, 18 compute + 9 NVSwitch trays