The Upgraded D500EPM-00 H500EPM-00 500W Power Supply DPS-500EM-00 PSU is a high-quality, reliable power supply unit designed specifically for Dell Optiplex computers. With a maximum power output of 500W and compatibility with 240V voltage systems, this silver-colored PSU features a single fan for cooling and 6+2 pin PCI express connectors for easy setup. Manufactured by S-union, this power distribution panel is a unit quantity of 1, perfect for upgrading or replacing your current power supply in your computer system.