The Drobo Mini is the ultimate, on-the-go storage companion, delivering the perfect combination of high performance storage and portability. Built on the award-winning Beyond RAID technology, the Drobo Mini protects your data without any intervention - even in the event of multiple drive failures. You can even switch from single to dual disk redundancy with a single click, ensuring enterprise-level dual parity data protection when required. Drobo" s with Beyond RAID are also self-healing and have virtual hot-spares. If a drive happens to fail, Drobo will automatically re-layout the data to return to a protected state without disruption.