Htpc case motherboards atx micro atx mini itx series silverstone grandia front connections 2 x usb 30 hd audio slots 7 fan pre installed 1 fan maximum 5 525 disk drive slots 1 35 disk drive slots int 2 disk tray 25 1 materials plastic steel colour black height 170 mm width 440 mm depth 358 mm max cpu fan height 138 mm max graphics card length 310 mm features dust filter