The Drobo S 5-Bay USB 3.0 Storage Array is perfect for creative professionals and small businesses with set it and forget it storage needs. It's safe, reliable and expandable features make it the best data storage experience ever. This primary and backup storage solution offers blazingly fast eSATA, enhanced FireWire 800 performance and USB 3.0 connectivity. It is a self-managing, self-healing solution ideal for safely storing large files and rapidly growing data. Built on award-winning Beyond RAID technology with single- or dual-drive redundancy, Drobo S protects your data without any user interaction, even in the event of multiple drive failures. It can hold up to five hot-swappable drives for on-the-fly drive capacity expansion with zero downtime. Now with PC Backup, Drobo Dashboard 2.0 and 3TB drive support.