Description Specifications Mfr Part Number: A18 CPU Application: AMD Socket AM4 Solution: 1U Server Material: Copper 1100 with Skived Fins Fan: Speed: At Duty Cycle 20%: 1100 RPM ± 200 RPM At Duty Cycle 50%: 2600 RPM ± 10% RPM At Duty Cycle 100%: 6000 RPM ± 10% RPM Power: At Duty Cycle 20%: 0.6 W At Duty Cycle 50%: 1.2 W At Duty Cycle 100%: 8.8 W Bearing: 2 Ball Bearing Rated Voltage: 12V Air Flow: At Duty Cycle 20%: 2.5 CFM At Duty Cycle 50%: 5.8 CFM At Duty Cycle 100%: 14.3 CFM Noise Level: At Duty Cycle 20%: 19.1 dBA At Duty Cycle 50%: 34.2 dBA At Duty Cycle 100%: 53.8 dBA Air Pressure: At Duty Cycle 20%: 1.25 mm-H2O At Duty Cycle 50%: 7.0 mm-H2O At Duty Cycle 100%: 50.46 mm-H2O Lead Wire Pin Out: Pin1- (-) Pin2- ( ) Pin3- (Techometer/Signal output) Pin4- (PWM) Dimensions: Fan: 70.0 x 70.0 x 15.0 mm Overall: 106.0 x 76.0 x 27.5 mm Weight: 450.0 ± 5.0 g RoHS Compliant