That number is off. The DGX-2 consumes 10 kW at peak [0] and the DGX-2H consumes 12 kW at peak [1].
[0] https://www.nvidia.com/content/dam/en-zz/Solutions/Data-Cent...
[1] https://www.nvidia.com/content/dam/en-zz/es_em/Solutions/Dat...