The Corsair CX500 ATX Power Supply Unit is a reliable and efficient power supply unit designed to meet the ATX standard for power supplies. With a maximum power output of 500W and 80 PLUS Bronze certification, this unit is compatible with various brands and models of computers. It features a single fan for cooling, a sleek black color, and comes with various connectors including 24 pin, 6+2 pin PCI Express, and SATA connectors. The unit is backed by a 3-year manufacturer warranty, making it a stable and dependable choice for powering your system. UPC removed that’s why there is a hole in back of box