Technical details and special features atxmicro atx specification compliant front door made of aluminum screwless fan holder at rear panel and top panel for 12cm fan additional 12cm fan installation screws at top panel possible supports up to six 525ldquo drives extra black frame 525rdquo to 35rdquo size for 35rdquo device installation screw less for 525ldquo devices and slots four detachable hdd shockproof trays for easy installation and reducing vibration for silent operati