M/B Form Factor: ATX, Micro ATX PSU Form Factor: ATX Front I/O Ports: USB2.0x1+USB3.0x1+ HD Audio Dimension of Chassis: 390x195x405mm INNER COLOR: black painting on inner chassis Bottom installation of PSU:Yes Support Hidden Cables: Yes Drive bays: 5.25'' external x 1, 3.5'' (2.5'') internal x 7 Multifunctional HDD/SSD tray: 2pcs Support VGA Cards: up to 380mm PCI Slots: 7 Fan positions: Rear:80mm x1, Side:120mm x 2 or 140mm x 1, Front: 120mm x 1 fans are not included Dust-proof: PVC dustproof mesh under PSU position Shock-proof: plastic HDD/SSD tray, PSU position and footstand with EVA sponges Material of Chassis: sA grade SPCC,T=0.5mm Material of front panel: ABS Packing size: L510xW247xH530mm