LGA775 Socket Processor:- Intel Core 2 Duo- Intel Pentium Extreme / Pentium D / Pentium 4- Intel Celeron DFan: 92 L x 92 W x 32 H mmCooler: 99 L x 93 W x 86 H mmFan Speed: 500 – 2000 RPM controlled by PWM signalAir Flow: 36.7 CFM / 62.2 m^3/hBearing: Fluid Dynamic BearingWeight: 480 gService Life: MTTF at 40C: 400,000h