The Antec Ku HLER H2O 620 delivers high-performance liquid cooling for your CPU in a quick, easy-to-install package. Unlike traditional liquid cooling systems, this self-contained unit comes prefilled & requires no maintenance. The voltage-controlled 120mm fan & 3rd generation copper coldplate ensure efficient cooling, while the estimated 50, 000 hour pump lifetime means this cooler is even likely to outlast the system it cools. Lastly, easy-bend flexible tubing allows the Ku HLER H2O 620 to be installed in nearly any orientation. Take your PCs Quiet Computing to the next level with liquid cooling performance at a price that rivals aftermarket air coolers.