The CORSAIR Hydro X Series XR5 420mm 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 420mm radiator stands ready to cool even the most ambitious custom cooling loops and defeat the heat.Extreme Performance Liquid Cooling: Triple 140mm fan mounts on either side are ready for your most ambitious custom liquid cooling build.High Surface Area: 30mm Radiator thickness delivers easy installation and great cooling performance with low-noise fans and high-airflow fans.Premium Copper Construction: A premium copper radiator core and 25 micron thick cooling fins provide a high thermal transfer rate optimized for CORSAIRs performance copper water blocks.High-Quality Polyurethane Coating: A flawless finish to match your system.Integrated Fan Screw Guides: Makes mounting your fans to the radiator a breeze.Screw Protection Plates: Prevents too long or over-tightened screws from damaging the radiatorStandard G1/4 Threads: All inlet/outlet ports provide universal fitting compatibilitySpecification:- Product Type: 420mm Copper Radiator- Cooling Warranty: 3 Years- Fin Spacing: 16 FPI 25 Micron Copper Fins- Compatible Fan Size: 3 x 140mm- Radiator Thickness: 30mm- Radiator Dimensions: 452mm x 140mm x 30mm- Port Thread: G1/4\" BSPP- Screw Thread Size: M4xP0.7- Material: Copper / Brass- Compatible Material: Only mix with other copper / brass products- Max Operating Temp: 60C coolant temperature- Colour: Black