Thermaltake ATX Mid Tower Cases VN85521N2U Case Type: ATX Mid Tower M/B Type: ATX (12.0" x 9.6"), MicroATX (9.6" x 9.6") External Bay: 3x 5.25", 1x 3.5" Internal Bay: 6x 3.5" Expansion Slots: 7 Front I/O Panel: 2x USB 2.0 Ports, 1x AUD/MIC Power Supply: 500W