12 bay nas nas enclosure max hard drives 12 hard drive form factors 25 35 inch hard drive types hdd ssd hard drive mountings click removable drive hard drive location horizontal internal interface sata iii target audience business raid levels 0 1 5 6 10 50 51 60 61 jbod networking gigabit 101001000 connections 6x usb 20 4x rj 45 positions of connectivity ports 2x usb front 4x usb back 4x rj 45 back 1x vga back case rack mount processors