Thermaltake Urban T81 Window E-ATX Full Tower Computer Chassis CA-1B7-00F1WN-00 Case Type: Full Tower Material: SECC External Bay: 2x 5.25" (1x 3.5",?Converted from one 5.25" drive bay) Internal Bay: 8x 3.5" or 2.5" Expansion Slots: 8 Front I/O Panel: 2x USB 3.0 Ports, 4x USB 2.0 Ports, 1x HD Audio