5 bay nas memory capacity 15 tb number of installed hard drives 5 max hard drives 5 memory capacity per hard drive 3 tb internal interface sata iii target audiences home users small office home office soho small and medium sized businesses smbs raid levels 0 1 5 6 10 50 60 beyondraid networking gigabit 101001000 connections 1x rj 45 case tower optical disc drives without protocols cifssmb hdd management hot swap server service web server