Dynatron L18 Amd Strx4/tr4/sp3 1u Server All-in-one Liquid Cooler

Recommend for AMD® Processor, Socket sTRX4/TR4/SP3, All-in-one Liquid Cooler for 1U Server, Three 4 cm cooling fans with 4-pin PWM Connector, Fully Support CPU Overclocking Powered Heat Dissipation. CPU Support AMD® CPU Socket Socket SP3/TR4/sTRX4 Solution 1U Server Fan Dimension 40.0 x 40.0 x 28.0 mm Speed At Duty Cycle 0~20%: 2500±10% RPM At Duty Cycle 50%: 6700±10% RPM At Duty Cycle 100%: 12000±10% RPM Bearing 2 Ball Bearing Rated Voltage 12V Power At Duty Cycle 0~20%: 1.2 W At Duty Cycle 50%: 3.0 W At Duty Cycle 100%: 8.4 W Air Flow At Duty Cycle 0~20%: 5.18 CFM At Duty Cycle 50%: 13.87 CFM At Duty Cycle 100%: 24.84 CFM Noise Level At Duty Cycle 0~20%: 18.7 dBA At Duty Cycle 50%: 40.2 dBA At Duty Cycle 100%: 52.8 dBA Air Pressure At Duty Cycle 0~ 20%: 1.39 mm-H2O At Duty Cycle 50%: 9.98 mm-H2O At Duty Cycle 100%: 32.01 mm-H2O Lead Wire Pin Out Pin1- (-) Pin2- (+) Pin3- (Tachometer output) Pin4- (PWM Control) Water Pump Stand-alone Water Pump in flow rate 1.7 Liter Per Minute