This small NAS is very complete: - In its original configuration can be added and read files and folders, make downloading and sharing without a PC, manage user access rights, standby / auto restart, etc ... through the Web interface . - Once a formatted disk it is even possible to mount this disk on a linux pc via USB or SATA and to read and write data without going through the network (which is convenient to copy several teras or in case of Out of NAS). - More is that you can customize by adding small software packages and then you have access to a real small Linux server, accessible by SFTP and SSH, with packages and updates available on the net, and fine management via a complete linux shell, use another UPnP DLNA ...