Model No. INT75-IA87-30SW CPU Type Socket 775 Fan Dimensions (mm) 80*80*25 Fan Speed (RPM) 1300-3000 Fan Directions 4 Pin of the fan 4 PWN fuction Y Acoustical Noise (dBA) 25 Rated Voltage (VDC) 12 Rated Current (A) 0.41 Bearing Type 1 Ball 1 Sleeve Heat Sink Masterial Pure Aluminum Heat Sink Dimensions (mm) 87*87*30 Weight of cooler 350g