Big tower motherboard atx front connections 2 x usb 20 2 x usb 30 line out mic in slots 8 fan pre installed 5 fan maximum 9 525 disk drive slots 4 35 disk drive slots ext 1 35 disk drive slots int 8 disk tray 25 8 material steel colour black height 560 mm width 240 mm depth 596 mm features side window