LAN DISK XR series from I-O Data, where XR stands for eXtreme Reliance. Available in 2 to 8TB, or NAS features 2 Gigabit Ethernet Ports, as well as one eSATA, USB 2.0 Port, RAID 0/5/6/5+S/1m+S and Encrypted RAID 5/6, WOL (Wake On LAN) and been built with stronger components in order to extend its lifespan.