Highest performance capability in super slim form factor Support graphics card up to 13 inches Mini-ITX motherboard & SFX PSU compatible Independent expansion slot design for easy assembly Tool-less drive cage design Fits in nearly any environment with horizontal or vertical orientation Material Reinforced plastic outer shell, steel body Color black Motherboard Mini-ITX Drive Bay ExternalSlim optical 12.7mm or 9.5mm x 1 (9.5mm compatibility limited to tray type) Internal2.5” x 2 (one additional 3.5” or 2.5” space depending on expansion card installed) Cooling System Rear Passive exhaust vents Side Oversized vents over CPU/motherboard and expansion area Expansion Slot 2 Front I/O PortUSB 3.0 x 2 audio x 1 MIC x 1 Power Supply SFX & SFX-L Expansion Card *Compatible with 13” long, width restriction – 4.78” Limitation of CPU cooler58mm Net Weight 3.2kg~3.3kg Dimension 380mm (W) x 87mm (H) x 370mm (D), 12 liters