Micro tower motherboard micro atx series silverstone precision front connections 2 x usb 30 line out mic in slots 4 fan pre installed 3 525 disk drive slots 2 35 disk drive slots ext 1 35 disk drive slots int 5 disk tray 25 1 colour black height 374 mm width 210 mm depth 400 mm weight 52 kg max graphics card length 342 mm features front door