CPU Support AMD® Ryzen CPU Socket AM4/AM5 Screw Type #6-32 Installation Torque 6-10 in-lb Solution 2U Server and Up Dimensions 107 x 78 x 67 mm Weight 400 g Material 4 Heat pipes and Aluminum Stacked Fin Fan Dimension 60 x 60 x 25 mm Speed At Duty Cycle 20%: 2300±200 RPM At Duty Cycle 50%: 5400±10% RPM At Duty Cycle 100%: 11000±10% RPM Bearing Double-Ball Rated Voltage 12V Power At Duty Cycle 20%: 0.84 W At Duty Cycle 50%: 2.76 W At Duty Cycle 100%: 18.0 W Air Flow At Duty Cycle 20%: 11.91 CFM At Duty Cycle 50%: 28.38 CFM At Duty Cycle 100%: 58.31 CFM Noise Level At Duty Cycle 20%: 25.8 dBA At Duty Cycle 50%: 44.4 dBA At Duty Cycle 100%: 59.8 dBA Air Pressure At Duty Cycle 0~20%: 1.48 mm-H2O At Duty Cycle 50%: 7.54 mm-H2O At Duty Cycle 100%: 28.8 mm-H2O Lead Wire Pin Out Pin1- (-) Pin2- (+) Pin3- (Techometer/Signal output) Pin4- (PWM) Life – Continuous operating under normal temperature (40 °C or 104 °F) 70,000 Hours