Why Liquid Cooling Matters for AI Scale | CoreWeave

This post explains why liquid cooling is essential for scaling AI workloads, focusing on the increasing power density of modern GPU architectures like the NVIDIA GB200 NVL72. It details the limitations of traditional air cooling in high-density racks and highlights the benefits of liquid cooling for CoreWeave customers, such as enabling more GPUs per rack, faster inter-GPU communication, access to next-generation hardware, and improved power efficiency leading to better TCO. The post also touches on the operational aspects of implementing liquid cooling in data centers, emphasizing redesign over retrofitting and the continued role of air cooling for less intensive components.