CoolerSpecificati***::ForIntel®Xeon5600&5500Series&Core®i7Socket1366Dimensi***:90mm(L)x90mm(W)x27mm(H)Materials:CopperWeight:472gPWMFunction:YESThermalGrease:Shin-Etsu7762pre-appliedFanSpecificati***:Fansize:75x75x15mmFanvoltage:12VBearing:DualBallbearingFanspeed:1000~5500rpmNoiseLevel:18~51dBAAirFlow:1.93~11.83CFMPower:1.2~9.6WStaticpressure:0.38~20.66mmH2OFanconnector:4-pinLeadwire:UL1061#26AWGorequivalentPinAssignment:Pin1Black(GND),Pin2Yellow(PWR),Pin3Green(SGN),Pin4Blue(PWM))