Features: 1. material: 0.6mm SECC 2. External Drive bays: 4*5.25'' and 2*3.5"; Internal Drive Bays: 6*3.5" 3. Front port: USB2.0, 2 audio 4. Structure dimensions: 450 x 190 x 440mm 5. Motherboard: ATX, Micro ATX 6. Turned door fixed on plastic front panel 7. new stytle handle 8. light, unique design for side panel