TACC Frontera is a large GPU cluster operated by University of Texas at Austin, located in the United States, in the public sector. It came online around August 2019. At that moment it ranked number 43 among known clusters.
It is built on 360 NVIDIA Quadro RTX 5000, alongside NVIDIA V100. That amounts to about 32.35 H100e of AI compute. The cluster draws roughly 0.48 MW. Its hardware is estimated at $9M.
Epoch AI rates the certainty of this record as confirmed.