D-Link Systems ShareCenter 2-Bay USB 2.0 External Hard Drive Enclosure DNS-325 Black The perfect way to store and share your documents, music, videos, and photos with anyone on your network Included backup software allows users to protect important files by scheduling automatic backups on set timeline. With a faster processor than the DNS-320, this ShareCenter model is better equipped to support multiple users streaming content simultaneously. Share a USB printer over the network between all the computers in your house Designed for streaming with application support for Logitech Squeeze Center, Photo Gallery, Audio Streamer and Blog. Support for RAID 1 (mirroring) to protect against data loss in the event of a disk drive failure Supports up to 4TB storage capacity using 2TB disk drives 2-bay enclosure ideal for DIY customers wanting to use/source their own disk drive(s). Insert up to two 3.5" SATA disk drives without any tools or attaching any cables