8,448 GPUs of NVIDIA B300 and Vera Rubin capacity across 1,056 nodes and 23.8 MW of critical IT in downtown Chicago, delivered in three phases: 2,048 B300 GPUs (256 nodes, 3.8 MW) ready February 15, 2027 at $5.10/GPU-hr on a 4-year term; 3,680 Vera Rubin GPUs (460 nodes, 11.5 MW) ready August 31, 2027 at $8.10/GPU-hr on a 5-year term; and 2,720 Vera Rubin GPUs (340 nodes, 8.5 MW) ready December 31, 2027, also $8.10/GPU-hr on a 5-year term. 25% deposit. 8-GPU nodes on InfiniBand with direct-to-chip liquid cooling and 4 TB of storage per node, in a Tier III N+1 facility at roughly 1.18 PUE with four long-haul and eight metro carriers in the building. Built, operated and supported end to end by the operator. The public tile shows the verified headline specification; the complete data room — full spec sheet, exact location, counterparty, and pricing — is shared once both sides agree to connect.
Every Ax3 listing is vetted by the broker desk before going live: asset existence, control of the capacity, and realistic timelines are confirmed directly with the owner.
