CalDigit VR2 4TB Professional RAID USB 3.0, FW800, eSATA (VR2-2B-4000-US)

The CalDigit VR2 is the most complete two drive RAID system on the market today. It offers unmatched performance, impressive connectivity and superior quality all in a sleek and easily upgradeable enclosure that is both portable and functional. The CalDigit VR2 features true hardware RAID, which provides an independent CPU and dedicated cache memory to manage the RAID volume. This dedicated processor eliminates additional strain from the host system's CPU, allowing applications full access. The quadruple interface supports USB 3.0, FireWire 400, FireWire 800 and eSATA, making the CalDigit VR2 extremely versatile. Two FireWire 800 ports make it easy to daisy chain multiple CalDigit VR2s together without any performance loss. The CalDigit VR2 uses two hot-swappable drive modules, allowing easy replacement and expansion.