Dynatron K650 2U&Up Server CPU Fan For Intel LGA1155-1156

Description Specifications Mfr Part Number: K650 CPU Application: LGA 1155: 2nd Generation Intel Core i7-2600, i5-2500 Series & Sandy Bridge Xeon 1220, 1220L, 1225, 1230, 1235, 1240, 1245, 1260L, 1270, 1275 & 1280 Processors  LGA 1156: Intel Core i3-530 & i3-540, Core i5-650, i5-660, i5-661, i5-670 & i5-750, Core i7-870 & i7-860, Xeon 3400 Series Processors Material: Copper Base with Aluminum Stacked Fin Fan: Rated Speed: At Duty Cycle 0~20%: 1400 RPM At Duty Cycle 50%: 3500 RPM At Duty Cycle 100%: 7000 RPM  Bearing: Double-Ball  Rated Voltage: 12V Rated Input Power: At Duty Cycle 0~20%: 0.6 W At Duty Cycle 50%: 1.2 W At Duty Cycle 100%: 5.4 W Rated Airflow: At Duty Cycle 0~20%: 7.405 CFM At Duty Cycle 50%: 18.517 CFM At Duty Cycle 100%: 38.283 CFM Rated Acoustical Level: At Duty Cycle 0~20%: 20.8 dBA At Duty Cycle 50%: 35.9 dBA At Duty Cycle 100%: 48.1 dBA Rated Static Pressure: At Duty Cycle 0~20%: 0.574 mm-H2O At Duty Cycle 50%: 3.586 mm-H2O At Duty Cycle 100%: 13.552 mm-H2O Lead Wire Pin Out: Pin1 – Black (-) Pin2 – Yellow ( ) Pin3 – Green (Tachometer / Signal Output) Pin4 – Blue (PWM) Dimensions: Fan: 60.0 x 60.0 x 25.0 mm Overall: 88.5 x 87.0 x 64.0 mm Weight: 460.0 g RoHS Compliant