Model Number: M35291-35 Dimensions: 92*92*38MM Rated voltage: 12V Rated current: 2.3A Fan line: 4-wire support speed support PWM speed control function Fan plug: original Dell 4 wire 5P head can be changed to the motherboard 4P and other plugs Bearing: Double ball bearing DELL original authentic Dell Spare Part Number: P2780 Model Number: M35291-35 12V DC 2.3A Suitable for: Dell GX280 Dell Dimension 4700 8400 Dell Precision 470 670 1420SC and other machines