Model No: 518 Material: SGCC Mainboard: ATX&Pentium 4 Dimension :190x437x437mm Drive Bays: 5.25"x4 / 3.5"x2 / 3.5"x 6 Expansion slot : 7 Option:4*80 fan 40'HQ: 1170pcs N.W:5.6kg G.W :6.5kg color:A-white B-blue C-silver D-black E-grey G-green With USB2.0 port,audio,180W P4 PSU. Welcome any further discussion.