Z9 Atx Mid Tower Case Case Type: ATX Mid Tower Material: Plastic, Steel M/B Type: Standard ATX /MicroATX External Bay: 3x 5.25", 1x 3.5", Internal Bay: 5x 3.5", 1x 2.5" Expansion Slots: 7 Front I/O Panel: 4x USB 2.0 Ports; 1x Microphone; 1x Headphone Power Supply: None; Supports Standard ATX /ATX12V, Side Windows: Yes