Colossus: xAI Supercomputer Cluster For Grok LLM

xAI and NVIDIA have unveiled Colossus, the world’s largest AI supercomputer cluster. Built in just 122 days in Memphis, Tennessee, and powered by NVIDIA’s groundbreaking Spectrum-X Ethernet networking, “Colossus is the most powerful training system in the world,” Elon Musk wrote on X. This supercomputer, housing 100,000 NVIDIA Hopper GPUs, supports xAI’s Grok large language models and brings ultra-fast AI capabilities. The Spectrum-X platform delivers 95% data throughput with zero latency degradation -- levels traditional Ethernet can’t achieve -- redefining scalable, high-performance AI