Key features detachable hdd drive cage for better installation and service screwless side panels for easy removal and installation screwless odd bays amp fdd bays for easy removal and installation folded edge for safe installation no sharp edges debris stamped motherboard support no mb standoffs installation required for faster mb installation configure up to 6 drive bays 2 x 525 2 x 35 optional 2 x 35 drive bays for expandability of future upgrade meets ce