865W High Efficiency Power Supply; 5x 3.5" HDD Bays; 3x 5.25" Peripheral Drive Bays; 1x Slim DVD-ROM Drive Bay; 7x Full-height, Full-length Tool-less Expansion Slots; Dual channel Air Duct design; 2x Front USB 2.0 Ports & 1x Com port; Front System fan with Removable Air Filter; Power Switch, Reset Switch & 6x LED Indicators.