The Vintage Computer Power Supply 400W by Maddog is a reliable and efficient power supply unit designed for computers with ATX/BTX form factors. With a maximum power output of 400W, this silver-colored power supply is capable of providing stable and consistent power to your system. The model number MD-400SCPS ensures a specific and identifiable product that is sure to meet your vintage computer's power needs. Thanks for looking. Don’t hesitate to make a reasonable offer