2 bay nas nas enclosure max hard drives 2 hard drive form factors 25 35 inch hard drive types hdd ssd hard drive location vertical internal interface sata iii target audiences home users small office home office soho internal file system ext4 external file systems ext3 ext4 ntfs fat32 hfs raid levels single disk jbod 0 1 networking gigabit 101001000 connections 2x usb 20 2x usb 30 1x hdmi 2x rj 45 positions of connectivity ports 1x usb