iMicro ATX Tower Case CA-IM813BK Case Type: ATX Tower; Color: Black; Material: SGCC 05mm steel; M/B Type: Micro ATX, ATX Drive Bays: 9; External Bay: 4x 525", 1x 35"; Internal Bay: 4x 35"; Expansion Slots: 7 Cooling System: 1x 120mm/90mm/80mm Rear Fan(Optional); Side Air Duct(Optional); Side Windows: No; Front I/O Panel: 2x USB 20 Ports; 1x Speaker; 1x Microphone; Power Supply: 400W Power Supply, w/ 1x 24pin connector and 2x SATA Connectors Case Type: ATX Tower; Color: Black; Material: SGCC 0.5mm steel; M/B Type: Micro ATX, ATX Drive Bays: 9; External Bay: 4x 5.25", 1x 3.5"; Internal Bay: 4x 3.5"; Expansion Slots: 7 Cooling System: 1x 120mm/90mm/80mm Rear Fan(Optional); Side Air Duct(Optional); Side Windows: No; Front I/O Panel: 2x USB 2.0 Ports; 1x Speaker; 1x Microphone; Power Supply: 400W Power Supply, w/ 1x 24pin connector & 2x SATA Connectors