Specifications Available Color Black Dimension (W / D / H) 170 x 390 x 420 mm Material SECC 0.45mm Motherboards Micro ATX 5.25" Drive Bay 1 3.5" Drive Bay 3 (1 x Exposed / 1 x Hidden) 2.5" Drive Bay N/A I/O Panel USB (Universal Serial Bus) 2.0, HD Audio Fan Bays Front: 120mm x 1 (Optional) Rear: 80/90mm x 1 (Optional) Side: 120mm x 1 (Optional) Expansion Slots 4 Power Supply Standard ATX