Inside Colossus, the World's Largest AI Supercluster

The video details the world's largest AI training cluster, built by xAI and powered by Supermicro servers, with over 100,000 GPUs and exabytes of storage. Constructed in just 122 days, this facility surpasses most existing supercomputers, which typically take years to build. Each compute hall holds 25,000 GPUs, with racks featuring advanced liquid cooling systems for optimal performance and maintenance. Key technologies include Nvidia H100 GPUs, Bluefield 3 DPUs, 400-gigabit Ethernet networking, and state-of-the-art cooling and power management. The center also integrates Tesla Megapacks to stabilize power fluctuations during intensive AI training. Future expansions are planned, continuing its role as the premier AI infrastructure.