The CORSAIR Hydro X Series iCUE XH305i RGB PRO Custom Cooling Kit contains all the components you need to build your very own premium custom cooling loop, turning your PC into a masterpiece with 128 RGB LEDs while improving its performance. With an XC7 RGB PRO CPU Water Block, XD5 Pump/Reservoir Combo, radiator, fans, and more, the XH305i RGB PRO is your ticket into the world of Hydro X Series custom cooling. An included iCUE controller puts you in command of your loop with CORSAIR iCUE software, adjusting fan and pump speeds, monitoring performance, customizing RGB lighting, and synchronizing it with your entire setup. The XH305i RGB PRO includes extra fittings for a potential GPU block upgrade.