Midi tower motherboard atx series silverstone fortress front connections mic in line out 2 x usb 20 1 x firewire slots 7 fan pre installed 3 fan maximum 3 525 disk drive slots 5 35 disk drive slots int 7 power supply position bottom material aluminium colour silver height 486 mm width 211 mm depth 495 mm weight 866 kg max graphics card length 266 mm features cable guide