Topower TP-2001BB-500 ATX/mATX Mid-Tower Computer with 500W Power Supply Cases (Black) Mid Tower With 500w Power Supply Front Port: Sub 3.0 X 1usb 2.0 X 1hd Audio Drive Bays: External: 1 X 5.25"Internal: 2 X 5.25" 3 X 3.5" 1 X 2.5" With 80mm Fan Dimension: 16" X 7.2" X 16.3"