Water Cooling - complete closed set, for socket AM4, 1150, 1151, 1155, 1156, 1200, 1700, 2011-3 and 2066, 3x140mm fan(s), max noise level of 23,5dB, max speed of 2000 RPM, dimensions (WxDxH): 458 x 138 x 38mm The ARCTIC Liquid Freezer II 420 is a particularly useful component of a professional PC. It will help you to cut the extremely high temperature of the CPU by modifying the airflow in your computer. Because it is a water-cooled circuit with a special construction, this also ensures that your computer will look original. Special liquid moves through the rigid tubing, which is then cooled in the radiator fitted with 3 fans. The ARCTIC Liquid Freezer II 420 is a great substitute for a noisy cooler that uses up too much power. This new water-cooling type has further extended the possibility of speed control. The water-cooling set from ARCTIC supports AM4 AMD sockets, and 1150, 1151, 1155, 1156, 1200, 1700, 2011-3 and 2066 Intel sockets. ARCTIC Liquid Freezer...