Cooler Master AMD AM2/AM3 Socket Copper Base Aluminum CPU Cooling Heatsink Fan Assembly HKM-00003-A1-GP.Cooler Master Part Number: HKM-00003-A1-GPCompatible Part Numbers: HKM-7M52A-A2-GPSpecifications:- Socket Type: AMD AM2/AM2+ AM3/AM3+ - Material: Copper Base/Aluminum- Fan Connector: 4-Pin PWM