Most people buy AIO coolers these days, especially for higher-end CPUs that tend to run hot while gaming. They’re so popular that you almost expect them in the PC builds you see on Reddit or YouTube. There’s no doubt that an AIO makes your build look cleaner and more aesthetic, and the large radiator instantly gives the impression of a powerful cooling system. It surely feels like the right choice for any expensive gaming rig, but is it always the better option for cooling your CPU? Not quite.