GB300 NVL72 Spectrum-X RoCE
Specifications and availability for the GB300 NVL72 Spectrum-X RoCE GPU instance
Powered by four NVIDIA GB300 Superchips, each featuring a “Blackwell Ultra” GPU with an unprecedented 279 GB of memory, these instances represent the absolute pinnacle of our high-performance computing offerings. These instances form part of a larger NVL72 rack architecture which boasts 21 TB of total GPU memory, interconnected by 5th-generation NVLink for a seamless, rack-scale memory fabric. For clustering, they are equipped with next-generation NVIDIA Spectrum-X RoCE (RDMA over Converged Ethernet), leveraging BlueField-3 and ConnectX-8 SuperNICs for large scale AI in Ethernet-based cloud environments.
Last modified on June 23, 2026