Dynatron A26 2U Active Aluminum Heatsink with Heatpipe Embedded for AMD EPYC Socket SP3

Specifications Mfr Part Number: A26 CPU Application: AMD Socket SP3 for 2U Server and up Material: Aluminum Heatsink with Heatpipe Embedded Fan Dimension: 60.0 x 60.0 x 25.0 mm Speed: At Duty Cycle 20%: 1600 ???? 200 RPM At Duty Cycle 50%: 4000 ???? 10% RPM At Duty Cycle 100%: 8000 ???? 10% RPM Rated Voltage: 12V Bearing: Ball Type, Double Power: At Duty Cycle 20%: 1.20 W At Duty Cycle 50%: 2.28 W At Duty Cycle 100%: 7.20 W Air Flow: At Duty Cycle 20%: 8.85 CFM At Duty Cycle 50%: 21.88 CFM At Duty Cycle 100%: 43.75 CFM Noise Level: At Duty Cycle 20%: 18.0 dBA At Duty Cycle 50%: 37.9 dBA At Duty Cycle 100%: 53.0 dBA Air Pressure: At Duty Cycle 20%: 0.76 mm-H2O At Duty Cycle 50%: 4.76 mm-H2O At Duty Cycle 100%: 19.04 mm-H2O Lead Wire Pin Out: Pin1- (-) Pin2- (+) Pin3- (Techometer/Signal output) Pin4- (PWM) Dimensions : 119.0 x 79.0 x 65.0 mm Weight: 450.0 g RoHS Compliant