With USB 3.0Material: Aluminum front panel, SECC bodyMotherboards : DTX, Mini-ITX Fan: 1 x 120mm intake fan with golf blades,1200rpm 19dBA Dimension : 220 mm (W) x 177 mm (H) x 286 mm (D) Expansion Slots : 2 Power Supply: SFX 450W with 80plus certified (Included) Extermal Drive Bay: Slim optical x 1 Internal Drive Bay: 3.5” x 1 , 2.5”x 1