Intel E18764-001 Socket 775 Aluminum Heat Sink & 3" Fan w/4-Pin Connector up to 3.16GHz Intel Socket 775 Aluminum Heat Sink Fan to 3.16 GHz General Features: Aluminum heat sink 3-inch fan 12VDC, 0.60A Supports a Socket 775 Processor up to 3.16 GHz 4-pin fan connector (12-inch length, approximate) Regulatory Approvals: CE UL