What Is a CDU (Coolant Distribution Unit)? A Complete Guide for Data Center Cooling
TL;DR: A CDU (Coolant Distribution Unit) is the thermal management device at the heart of a liquid-cooled data center. It sits between the facility’s cooling source and the IT equipment’s liquid loop, using an isolated secondary loop to control coolant temperature, flow, and pressure — removing heat from servers and GPUs without ever letting facility […]