Check the listing for details. Dynatron L13 Intel Socket FCLGA3647 4U Server All-in-One Liquid Cooler. Condition: New. Listed at 119.99 USD. Liquid Cooler for 4U Workstation, Recommend for Intel® Xeon® Platinum / Gold Family Processor, Socket FCLGA3647, Stand-alone Water Pump, with 12cm PWM , CPU Heat Dissipation 205 Watts and up. CPU Support IntelCPU Socket Socket FCLGA3647Solution 4U WorkstationDimensions 165mm x 120mm x 96mmFan Dimension 120mm x 120mm x 38mmSpeed At Duty Cycle 20%: 900±200 RPMAt Duty Cycle 50%: 1500±200 RPMAt Duty Cycle 100%: 2300±10 RPMBearing Liquid State BearingRated Voltage 12VPower At Duty Cycle 20%: 1.2 WAt Duty Cycle 50%: 2.0 WAt Duty Cycle 100%: 4.9 WAir Flow At Duty Cycle 20%: 34.8 CFMAt Duty Cycle 50%: 58.0 CFMAt Duty Cycle 100%: 88.93 CFMNoise Level At Duty Cycle 20%: 17.3 dBAAt Duty Cycle 50%: 28.4 dBAAt Duty Cycle 100%: 37.7 dBAAir Pressure At Duty Cycle 0~ 20%: 0.79 mm-H2OAt Duty Cycle 50%: 2.20 mm-H2OAt Duty Cycle 100%: 5.17 mm-H2OLead Wire Pin Out Pin1- (-)Pin2- (+) Pin3- (Tachometer output) Pin4- (PWM Control)Water Pump Stand-alone Water Pump with Powerful Flow Rate 1.7 Liter Per MinuteRadiator Dimension 165.0 x 120.0 x 29.0 mm