The block houses a pump, which draws power from standard 4-pin CPU power header, and supports PWM control. The two are connected by flexible tubing. The block features a copper base with pre-applied thermal interface material. The CNPS20LQ supports all current socket types, including Intel LGA2011, LGA1155/1156, LGA1366, LGA775; AMD AM3+, FM1, and AM3/AM2+/AM2.
Source: TPU