Oracle unveils Zettascale10 AI supercomputer cluster

Oracle Corp. (NYSE: ORCL) announced the Oracle Cloud Infrastructure Zettascale10, which the company describes as the largest AI supercomputer in the cloud. The system connects hundreds of thousands of NVIDIA GPUs across multiple data centers to form multi-gigawatt clusters that deliver up to 16 zettaFLOPS of peak performance.

The announcement was made at Oracle AI World in Las Vegas. OCI Zettascale10 represents an evolution of Oracle's first Zettascale cloud computing cluster introduced in September 2024. The new system is built on Oracle's Acceleron RoCE networking architecture and powered by NVIDIA AI infrastructure.

The system is being deployed as part of the Stargate project, a collaboration between Oracle and OpenAI in Abilene, Texas. "OCI Zettascale10 network and cluster fabric was developed and deployed first at the flagship Stargate site in Abilene, Texas – our joint supercluster with Oracle," said Peter Hoeschele, vice president of Infrastructure and Industrial Compute at OpenAI.

Oracle plans to offer multi-gigawatt deployments of OCI Zettascale10 to customers. Initial deployments will target up to 800,000 NVIDIA GPUs. The clusters will be housed in gigawatt data center campuses within a two-kilometer radius to minimize GPU-to-GPU latency for large-scale AI training workloads.

The Oracle Acceleron RoCE networking architecture uses switching capability built into modern GPU network interface cards, allowing them to connect to multiple switches simultaneously on separate network planes. This design aims to increase network scale and reliability by shifting traffic when one plane experiences problems.

Oracle is taking orders for OCI Zettascale10, with availability planned for the second half of next calendar year. The system will support up to 800,000 NVIDIA AI infrastructure GPU platforms.

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