Microsoft · Nvidia · Tesla · NVIDIA Blog
Shipped for Vera Rubin, NVIDIA Spectrum-6 Arrives in Gigascale AI Factories
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AI has entered the gigascale era.
Key facts
- Marking a networking milestone, NVIDIA Spectrum-6, a 102.4-terabit-per-second Ethernet switch system delivering 2x the capacity of previous-generation systems and built as part of the NVIDIA Vera
- Demonstrating this approach, Spectrum-X Ethernet delivers up to 1.6x higher AI networking performance than off-the-shelf Ethernet and sustains up to 95% network efficiency across deployments
- Unlike off-the-shelf Ethernet, the NVIDIA Spectrum-X Ethernet networking platform for AI factory scale-out combines intelligent switches, NVIDIA ConnectX-9 SuperNICs and full-stack networking
- CoreWeave, Microsoft and Nebius will be among the first providers to deploy NVIDIA Vera Rubin-based infrastructure with Spectrum-6, extending access to the platform across a broad community
Summary
The world’s most advanced AI factories are bringing together hundreds of thousands of GPUs and CPUs to train frontier models, power agentic AI and generate intelligence at unprecedented scale. Marking a networking milestone, NVIDIA Spectrum-6, a 102.4-terabit-per-second Ethernet switch system delivering 2x the capacity of previous-generation systems and built as part of the NVIDIA Vera Rubin platform, is arriving across the world’s gigascale AI factories. Spectrum-6 anchors the next generation of the NVIDIA Spectrum-X Ethernet platform, delivering the bandwidth, scale and intelligence needed to operate an AI factory as one end-to-end computing system. The world’s leading AI infrastructure builders, including CoreWeave, Microsoft, Nebius, SpaceXAI and Tesla, will be among the first to bring in Spectrum-6 to accelerate their AI factories. For cloud providers, Spectrum-6 means more compute capacity can operate as a unified, high-performance resource, helping customers train models and deploy inference services faster.