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 side window