Thermaltake Versa H25 Window SPCC ATX Mid Tower Computer Chassis CA-1C2-00M1WN-00 Case Type: ATX Mid Tower Material: SPCC M/B Type: ATX (12.0" x 9.6"), MicroATX (9.6" x 9.6") External Bay: 2x 5.25" Internal Bay: 3x 3.5" or 2.5", 3x 2.5" Front I/O Panel: 1x USB 3.0 Port, 1x USB 2.0 Port,1x HD Audio 2 External 5.25" Drive Bays 3 x 2.5" / 3.5", 3x 2.5" Internal Tool-less Drive Bays 3 x 2.5" / 3.5", 3x 2.5" Internal Tool-less Drive Bays 1 x 120mm Fans w/ Filter (Preinstalled) 3 Year Warranty Transparent Side Panel Window