Jean Zay Supercomputer Phase 1 is a large GPU cluster operated by GENCI, located in France, in the public sector. It came online around June 2019. At that moment it ranked number 18 among known clusters.
It is built on 1,044 NVIDIA Tesla V100 SXM2 32 GB. That amounts to about 65.94 H100e of AI compute. The cluster draws roughly 0.7 MW. Its hardware is estimated at $31M.
Epoch AI rates the certainty of this record as confirmed.