Model No. INT75-HC04-S CPU Type Socket 775 Fan Dimensions (mm) 90*90*25 Fan Speed (RPM) 2800+/-10% Fan Directions 4 Pin of the fan 3 PWN fuction NA Acoustical Noise (dBA) 25 Rated Voltage (VDC) 12 Rated Current (A) 0.41 Bearing Type 1 Ball with Lamp Heat Sink Masterial Pure Aluminum Heat Sink Dimensions (mm) 87*87*36 Weight of cooler 350g