How are you getting 5kW? NVIDIA claim 10.2kW for a DGX H100 pod. https://docs.nvidia.com/dgx/dgxh100-user-guide/introduction-to-dgxh100.html#:~:text=130.45%20k

How are you getting 5kW? NVIDIA claim 10.2kW for a DGX H100 pod. https://docs.nvidia.com/dgx/dgxh100-user-guide/introduction-to-dgxh100.html#:~:text=130.45%20kg)%20max-,Power%20Specifications,distribution%20of%20the%20power%20load.&text=10.2%20kW%20max https://docs.nvidia.com/dgx/dgxh100-user-guide/introduction-.... Your point still stands though where power is a fraction of the cost. The bigger issue is power + cooling and how many units are needed to train the better models.