Model No. INT75-H87-35S CPU Type Socket 775 Fan Dimensions (mm) 87*87*35 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 sleeve Heat Sink Masterial Pure Aluminum Heat Sink Dimensions (mm) 87*87*35 Weight of cooler 330g