Dynatron R16 1U Server CPU Fan For Intel LGA2011

Dynatron R16CPU Socket2011 (Square Type, 80 x 80mm mounting pitch)CPU SupportIntel® Sandy Bridge EP/EX ProcessorsSolution1U SolutionOverall Dimension90.0 x 90.0 x 28.0 mmWeight390 gMaterialVapor Chamber Base with Copper Stacked FinFan Dimension80 x 80 x 15 mmSpeedAt Duty Cycle 20%: 1000 RPMAt Duty Cycle 50%: 3500 RPMAt Duty Cycle 100%: 6000 RPMBearing2 Ball BearingRated Voltage12 VPowerAt Duty Cycle 20%: 0.6 WAt Duty Cycle 50%: 3.84 WAt Duty Cycle 100%: 14.4 WAir FlowAt Duty Cycle 20%: 6.5 CFMAt Duty Cycle 50%: 11.2 CFMAt Duty Cycle 100%: 19.1 CFMNoise LevelAt Duty Cycle 20%: 21.5 dBAAt Duty Cycle 50%: 43.0 dBAAt Duty Cycle 100%: 55.8 dBAAir PressureAt Duty Cycle 20%: 2.27 mm-H2OAt Duty Cycle 50%: 18.56 mm-H2OAt Duty Cycle 100%: 54.5 mm-H2OLead Wire Pin OutPin1- (-)Pin2- (+)Pin3- (Techometer/Signal output)Pin4- (PWM)