12 bay nas memory capacity 72 tb number of installed hard drives 12 max hard drives 12 memory capacity per hard drive 6 tb hard drive form factors 25 35 inch hard drive types hdd ssd hard drive mounting removable drive hard drive access front hard drive location vertical internal interface sata target audience small and medium sized businesses smbs raid levels 0 1 5 6 10 jbod networking gigabit 101001000 connections 4x rj 45 2x usb 30 2x