The Antec KÜHLER H2O 950 provides cooling for your CPU in a quick, easy-to-install package. Unlike traditional liquid cooling systems, this self-contained unit comes prefilled and requires no maintenance. In addition to easy installation, dual powerful PWM fans pushes air through directional blades and channels it for optimal cooling. The dual 120 mm Pulse Width Modulation (PWM) fans and extra large pump ensure quiet, efficient cooling, while the double wide radiator is equipped to cool any high performance CPU on the market. An integrated fan, pump, and radiator allows coolant to circulate through the radiator at a higher velocity which in turn increases cooling performance. Lastly, the included Antec Grid software helps you monitor and control the KÜHLER H2O 950 and allows you to customize its stylish RGB LED. Take your PCs Quiet Computing to the next level with liquid cooling performance at a price that rivals aftermarket air coolers.