The Dell 875W 80 PLUS Silver certified switching power supply unit Model-N875EF-00 is a high-quality power supply designed specifically for Dell computers. With a maximum power output of 875W, this unit is compatible with various voltage levels and offers a range of connectors including ATX, PCI, SATA, and molex. Its compact form factor of 150mm x 100mm x 165mm makes it easy to install in a variety of computer setups. Manufactured in China, this unit is reliable and efficient for powering your system effectively.