LIAN LI PC-O7SX Black Side Panel: Tempered Glass Body Material: Aluminum ATX Mid Tower Computer Case Motherboard Compatibility: ATX (12 x 9.6) SP-ATX (12 x 10.6) Front Ports: USB3.0 x 4 HD Audio 120mm Fans: Top:120mm fan x3 External 5.25 Drive Bays: 1 (Slim ODD) or 3.5/2.5 HDD x1 External 3.5 Drive Bays: HDD Rack: 3.5 x3 + 2.5 x1 Behind the MB tray: 3.5 x1 + 2.5 x2 or 3.5 x2 or 2.5 x3 On the MB tray: 3.5 HDD x3 or 2.5 HDD x3 (Occupies 2 PCI slot space) Expansion Slots: 4 140mm Fans: Rear:140mm fan x1(Optional) Max GPU Length Allowance: 300 mm
