Intel E33681-001 Socket 775 Aluminum CPU Cooler w/ 4-Pin PWM Connector Intel Socket 775 Aluminum Heat Sink Fan to 3.0 GHz General Features: Aluminum heat sink 3.5-inch fan 12VDC, 0.60A Supports Intel Core 2 Duo Socket 775 CPUs up to 3.0 GHz 4-pin fan connector (12-inch length, approximate) Regulatory Approvals: CE UL