CPU Support Intel Core 12th -15th Gen CPU Socket LGA 1851/1700 Screw Type M3 Installation Torque 5-7 in-lb Weight 515.2g Material Copper Base & Aluminum Fins with Heat Pipe embedded Solution 2U Server and Up Dimensions 90.7 x 85.0 x 65.1 mm Fan Dimension 60 x 60 x 25 mm Rated Voltage 12V Bearing 2 Ball Bearing Speed At Duty Cycle 0~20%: 1600± 200 RPM At Duty Cycle 50%: 4000± 10% RPM At Duty Cycle 100%: 8000 RPM Power At Duty Cycle 0~20%: 1.20 W At Duty Cycle 50%: 2.28 W At Duty Cycle 100%: 7.20 W Air Flow At Duty Cycle 0~20%: 9.28 CFM At Duty Cycle 50%: 23.21 CFM At Duty Cycle 100%: 46.41 CFM Air Pressure At Duty Cycle 0~20%: 0.76 mm-H2O At Duty Cycle 50%: 4.76 mm-H2O At Duty Cycle 100%: 19.04 mm-H2O Acoustical Noise At Duty Cycle 0~20%: 18 dBA At Duty Cycle 50%: 37.89 dBA At Duty Cycle 100%: 52.94 dBA Lead Wir Pin Out Pin1- (-) Pin2- (+) Pin3- (Techometer/Signal output) Pin4- (PWM) Life – Continuous operating under normal temperature (40 °C or 104 °F) 70,000 Hours