Thermaltake Core X5 Tempered Glass Black Edition E-ATX Stackable Tt LCS Certified Cube Computer Chassis CA-1E8-00M1WN-02 Case Type: ATX cube case M/B Type: extend ATX (12.0" x 13.0"), ATX (12.0" x 9.6"), MicroATX (9.6" x 9.6"), Mini ITX (6.7" x 6.7") External bay: 3x 5.25", 4x 3.5" or 2.5" (HDD cage) Internal bay: 3x 2.5" (HDD tray) Front I/O panel: 2x USB 3.0 Ports, 2x USB 2.0 Ports, 1x HD Audio