BitFenix ATX Mid Tower Case Without Power Supply, Black BFC-RDR-300-MMW2-RP Case Type: ATX Mid Tower, Side Windows: Yes Material: Steel, Plastic M/B Type: ATX, Micro ATX, Mini-ITX External: 4x 5.25 Inches, Internal: 6x 3.5 Inches, 7x 2.5 Inches Expansion Slots: 7x PCI Slots Front I/O Panel: 4x USB 3.0 Ports, HD Audio Fan: 5, 120mm