Description Specifications Mfr Part Number: K666 CPU Application: Intel Socket 1156 for 2U Server and up Support Intel Core i3 530 / 540, Core i5 650 / 650 / 660 / 661 / 670 / 750; Xeon Processor 3400 Series; Core i7 870 / 860 Heatsink Material: Copper Base & Aluminum Fins with Heatpipes embeded Fan: Speed: At Duty Cycle 0-20%: 1600 rpm At Duty Cycle 50%: 2300 rpm At Duty Cycle 100%: 5000 rpm Bearing: 2x Ball Air Flow: At Duty Cycle 0-20%: 8.5 cfm At Duty Cycle 50%: 12.2 cfm At Duty Cycle 100%: 26.45 cfm Noise Level: At Duty Cycle 0-20%: 13.8 dBA At Duty Cycle 50%: 21.8 dBA At Duty Cycle 100%: 38.7 dBA Air Pressure: At Duty Cycle 0-20%: 0.75 mm-H2O At Duty Cycle 50%: 1.55 mm-H2O At Duty Cycle 100%: 7.32 mm-H2O Rated Voltage: 12 V Power: At Duty Cycle 0-20%: 0.72 W At Duty Cycle 20%: 1.2 W At Duty Cycle 100%: 3.0 W Lead Wire Pin Out: Pin1-Black (-); Pin2-Yellow ( ); Pin3-Green (Techometer/Signal output); Pin4-Blue (PWM) Dimensions: 60 x 60 x 25 mm Overall Dimensions: 90.7 x 85.0 x 64.0 mm Weight: 500 g RoHS Compliant
