Cooler Master Elite 400W ATX Mini Tower Case, Black RC-241-KKR400-N1 Case Type: ATX Mini Tower Material: Steel Body, Plastic Front Panel M/B Type: ATX, MicroATX Drive Bays: 4 ( External: 1x 5.25'' / Internal: 2x 3.5'', 1x 2.5") Expansion Slots: 7 Front I/O Panel: 2x USB 2.0 Ports, 1x Mic, 1x Audio (Supports AC 97 / HD Audio)