Htpc case motherboards ssi ceb atx micro atx series silverstone grandia front connections 2 x usb 30 audio mic in slots 8 fan maximum 5 525 disk drive slots 1 35 disk drive slots int 2 disk tray 25 1 materials steel aluminium plastic colour black height 171 mm width 442 mm depth 362 mm weight 48 kg max cpu fan height 138 mm max graphics card length 220 mm