5 bay nas dual thunderbolt 2 ports memory capacity 40 tb number of installed hard drives 5 max hard drives 5 memory capacity per hard drive 8 tb internal interface sata iii target audience small and medium sized businesses smbs internal file system ext4 external file systems fat fat32 raid levels 0 5 6 1 10 jbod networking thunderbolt 2 connections 2x thunderbolt 2 case tower ram type ddr3 optical disc drives without protocols dhcp http ft