The Kuhler H20 k-series, our newest generation of all-in-one closed loop liquid CPU coolers, is uniquely engineered to project your CPU’s performance, increase the life of your CPU and ensure that you can count on its performance for years to come.All Kühler models are built around a new sealed and silent pump, which consists of a three-phase motor promoting a rapid liquid circulation, helping the CPU to keep cool while it is being pushed to its limits. The pump features a high coolant pressure & lower-fan noise. The Kühler is easily set up via plugging into a 4-Pin motherboard connector and SATA power (through an included adapter cable). The pump-block also features three LEDs, which indicate coolant temperature. Blue indicates <48°C, green indicates 49-60°C, and red indicates >60°C. If you want efficiency, high performance and great build quality to meet the demands of your gaming system, look no further than the Kühler series coolers. This Antec K240 RGB CPU Cooler comes with 03 years of warranty