The CalDigit 775514 VR Mini 2TB Hard Drive Array delivers a fail-safe storage solution. As configured, the portable array offers an impressive 2TB of storage spread across 2 hard drives, both of which are hot swappable. It features eSATA, FireWire-800, FireWire-400 and USB 2.0 connectivity. The array can be configured in several configurations, including RAID 0 for maximum performance, RAID 1 for data mirroring, or as JBOD allowing you to access each hard drive as a separate volume. These features and more make the array a great solution for your large data storage needs.