Elon Musk’s xAI Colossus AI supercomputer with 200,000 H200 GPUs uses Nvidia’s Spectrum-X Ethernet to connect servers. Elon Musk’s xAI Colossus AI supercomputer with 200,000 H200 GPUs uses Nvidia’s Spectrum-X Ethernet to connect servers. Post navigation Intel celebrates significant progress at its Ohio Silicon Heartland fabs — basements completed and four superloads delivered Elon Musk is doubling the world’s largest AI GPU cluster — expanding Colossus GPU cluster to 200,000 ‘soon,’ has floated 300,000 in the past