Dell Rattler is a large GPU cluster operated by Dell Technologies, located in the United States, in the private sector. It came online around November 2021. At that moment it ranked number 110 among known clusters.
It is built on 192 NVIDIA A100. That amounts to about 60.54 H100e of AI compute. The cluster draws roughly 0.16 MW. Its hardware is estimated at $7M.
Epoch AI rates the certainty of this record as confirmed.