The Corsair Hydro x series XR5 280mm water cooling radiator delivers extreme custom liquid cooling performance, with 30mm radiator thickness and 25 micron thin cooling fins maximizing heat dissipation surface area. A premium COPPER radiator core core is optimized for use alongside copper CPU and GPU water blocks, further increasing the thermal transfer rate. Intuitive extras such as integrated fan screw guides and built-in screw protection plates make it easy to install fans, without worrying about damaging the radiator. Equipped with standard G1/4" Threads for universal compatibility and the surface area to tame even the highest-end hardware, The XR5 280mm radiator stands ready to cool even the most ambitious custom cooling loops and defeat the heat. Tech Support # 1-888-222-4346 opt #1