Power your computer with this Logisys PS575XBK 575-watt power supply! It supports dual PCI Express/SLi Ready, supports dual Serial ATA and features over voltage protection, over power protection and short circuit protection. This 575-watt black power supply comes with dual quiet 80MM fans, one on top and one in the back, for cool and quiet performance.The Logisys PS575XBK is equipped with four large power connectors, one floppy connector, 20+4 pin ATX power connector and is equipped with two ultra quiet 80 mm (3.14-inch) fans to keep your system working efficiently! Get it today!