Description Specifications Mfr Part Number: K17 Socket Type: LGA 1150/ 1155/ 1156; CPU Application: Supports Intel Xeon Server Processor E3 Series, Intel Core i7 Desktop Processor 2600, 2600K, 880, 875K, 870, 870S, 860, 860S, Intel Core i5 Desktop Processor 2500, 2400, 2310, 2300, 760, 750, 750S, 680, 670, 661, 660, 655K, 650, Intel Core i3 Desktop Processor 2100, 560, 550, 540, 530, Pentium Desktop Processor G850, G840, G6960, G6950, G620, G620T Material: Aluminum Fins, 4x Heat Pipes with H.C.C. Technology Fan: Rated Speed: At Duty Cycle 20%: 1000 RPM At Duty Cycle 50%: 1800 RPM At Duty Cycle 100%: 2500 RPM Bearing: Double-Ball Rated Voltage: 12V Rated Input Power: At Duty Cycle 20%: 0.96 W At Duty Cycle 50%: 1.44 W At Duty Cycle 100%: 3.00 W Rated Airflow: At Duty Cycle 20%: 17.34 CFM At Duty Cycle 50%: 31.21 CFM At Duty Cycle 100%: 43.36 CFM Rated Acoustical Level: At Duty Cycle 20%: 17.0 dBA At Duty Cycle 50%: 24.78 dBA At Duty Cycle 100%: 31.92 dBA Rated Static Pressure: At Duty Cycle 20%: 0.48 mm-H2O At Duty Cycle 50%: 1.55 mm-H2O At Duty Cycle 100%: 3.00 mm-H2O Lead Wire Pin Out: Pin1 - (-) Pin2 - ( ) Pin3 - (Techometer / Signal Output) Pin4 - (PWM) Dimensions: Fan: 92.0 x 25.0 mm Overall: 91.0 x 91.0 x 110.0 mm Weight: 530.0 ± 5.0 g RoHS Compliant