This power supply unit is designed for the HP Z800 Workstation and is capable of delivering a maximum power of 850 watts with a maximum wattage of 800 watts. It comes in a sleek silver color and has two cooling fans to ensure optimal performance. The model number of the power supply is DPS-850DB A and it is modular in design. Please note that the power supply comes with the power supply unit only and is compatible with HP products. Thank you for considering this power supply unit for your computing needs.