1. Made of 0.40mm cold rolled steel plate material. 2. No standard power supply. 3. Front interface: USB 2.0, audio HD port. 4. Compatible motherboard: M-ATX, ATX, mini ITX. 5. Fan can be installed to form convection heat dissipation. 6. 2 x 12cm cooling fans and 1 x 6cm cooling fans are reserved slot. 7. Graphics card length: 260mm max, CPU heat dissipation height: 150mm max. 8. Hard disk slot: Support 1 x 3.5 inch and 1 x 2.5 inch. 9. Size: 398x195x461mm. 10. Chassis case only, not include other accessories.