8 bay nas memory capacity 16 tb max hard drives 8 hard drive form factors 25 35 inch hard drive types hdd ssd hard drive mountings screwed fixed position removable drive hard drive access front hard drive location vertical internal interface sata iii target audience business internal file system ext4 external file systems ext3 ext4 ntfs hfs fat raid levels 0 1 5 6 10 jbod networking gigabit 101001000 connections 2x esata 4x usb 30 4x