12 bay nas nas enclosure multiple protocols smb v20 nfs v3v4 afp v33 ftp webdav iscsi chap supported max hard drives 12 hard drive form factors 25 35 inch hard drive types hdd ssd internal interface sata iii target audience business internal file system ext3 fat32 ext4 ntfs fat external file systems ntfs fat32 fat raid levels 0 5 6 10 50 60 networking gigabit 101001000 fast ethernet 10100 connections 2x usb 20 2x rj 45 case rack