Midi tower motherboard atx series silverstone fortress front connections 2 x usb 20 line out mic in slots 7 fan pre installed 4 fan maximum 4 525 disk drive slots 5 35 disk drive slots int 3 power supply position bottom material steel colour black height 497 mm width 212 mm depth 616 mm weight 15 kg max graphics card length 304 mm features cable mangement side window