Raidmax Viper Black Gaming Tower Case ATX-321WB Case Material: SECC Steel Front I/O Ports: USB 3.0 x1, USB 2.0 x 1,HD Audio ports Drive Bays: 9 Drive Bays (4 x 5.25 inches, 1 x 3.5 inches, 4 x 3.5 inches hidden) Compatible Motherboards: Micro ATX, Standard ATX Fans: 1 x 120mm Black frame fan with Blue leaves (Rear)