Thermaltake Versa H21/Black/Win/SECC Black SPCC ATX Mid Tower Computer Case (CA-1B2-00M1WN-00) Motherboard Compatibility: 9.6 x 9.6 (Micro ATX) 12 x 9.6 (ATX) Front Ports: USB 3.0 x 1,USB 2.0 x 1, HD Audio x 1 120mm Fans: Front (intake) :(optional) 120 x 120 x 25 mm x 2 Rear (exhaust) : 120 x 120 x 25 mm Turbo fan (1000rpm, 16dBA) With Power Supply: Standard PS2 PSU (optional) Side Panel Window: Transparent Window External 5.25 Drive Bays: 3 Internal 3.5 Drive Bays: 3 x 3.5 or 2.5 Internal 2.5 Drive Bays: 3