EK ultimate performance radiators are designed for extreme enthusiasts. These radiators are optimized for maximum heat dissipation even at lowest fan speeds. Choosing EK-CoolStream RAD XTX will give your watercooling system an upper hand you need to cool your hot hardware. EK assured quality level and an optimal price-performance ratio make these EK-CoolStream RAD XTX radiators unique. The new radiators feature, besides their great design and high build quality, superb cooling performance. The copper fins are optimized for both high- as well as low-speed fans therefore the new XTX radiator is an excellent all-around performer. The parallel flow cooling chambers reduce flow resistance to a minimum. Radiator shrouds are tapped with M3 threads on both sides to enable push-pull fan installation. Radiator features G1/4 threaded ports on both sides of the radiator which enables various installation possibilites as well as stacking option. Bleed/fill/drain port, soldered to the bottom chamber, allows user a better overall handling and makes item more convenient.