The Seidon 240 is Cooler Master’s latest, incredibly compact watercooling kit that aims to bring watercooling to the masses. It comes factory filled, sealed and tested with a two year zero maintenance guarantee. The performance 240mm radiator is designed for dissipating huge heat from overclocked CPU. Thanks to a 120mm PWM fan with a wide RPM range Seidon can operate silently or unleash a powerful cooling storm at your command.