NCI Australia Gadi is a large GPU cluster operated by National Computational Infrastructure Australia, located in Australia, in the public sector. It came online around January 2020. At that moment it ranked number 40 among known clusters.
It is built on 640 NVIDIA Tesla V100 SXM2. That amounts to about 40.42 H100e of AI compute. The cluster draws roughly 0.42 MW. Its hardware is estimated at $13M.
Epoch AI rates the certainty of this record as confirmed.