Form Factor: Full-tower, Power Supply Wattage: 350 W, Number of Power Supplies Support: 1, Motherboard Support: ATX, Interfaces/Ports: eSATA Rear 2 x USB 2, 0 USB, Number of External 5, 25"" Bays: 4, Number of External 3, 5"" Bays: 1, Number of Internal 3, 5"" Bays: 5, Number of Total Bays: 10, Number of Expansion Slots: 7, Dimensions: 17, 5"" x 7, 1"" x 16"", SKU: DHEC028T350BL