Dynatron A13 2U&Up Server CPU Fan for AMD Socket G34

Specifications Mfr Part Number: A13 CPU Application: AMD G34, Supports LGA1974 Proccessors up to 140 Watts Solution: 2U&Up Material: Aluminum stacked fin with heatpipes directly contact CPU Fan: Rated Speed: At Duty Cycle 0~20%: 1600±200 RPM At Duty Cycle 50%: 4000±15% RPM At Duty Cycle 100%: 8000 RPM  Bearing: Double-Ball  Rated Voltage: 12V Rated Input Power: At Duty Cycle 0~20%: 0.6 W At Duty Cycle 50%: 1.8 W At Duty Cycle 100%: 7.2 W Rated Airflow: At Duty Cycle 0~20%: 8.85 CFM At Duty Cycle 50%: 21.88 CFM At Duty Cycle 100%: 43.75 CFM Rated Acoustical Level: At Duty Cycle 0~20%: 16.9 dBA At Duty Cycle 50%: 35.9 dBA At Duty Cycle 100%: 51.0 dBA Rated Static Pressure: At Duty Cycle 0~20%: 0.708 mm-H2O At Duty Cycle 50%: 4.425 mm-H2O At Duty Cycle 100%: 17.701 mm-H2O Lead Wire Pin Out: Pin1 - Black (-) Pin2 - Yellow (+) Pin3 - Green (Tachometer / Signal Output) Pin4 - Blue (PWM) Dimensions: Fan: 60.0 x 60.0 x 25.0 mm Overall: 112.0 x 84.0 x 67.0 mm Weight: 400.0 g RoHS Compliant