Hardware RAID, supporting RAID 0, 1, 10, 3, 5+hot spare, JBOD and CLONE. * Over 200MB/s read and 170MB/s write performance. * eSATA and USB 3.0 interfaces. * Backward compatible with USB 2.0. * Bundled with SATA 6.0Gbps PCIe 2.0 x1 controller card. Supports PCIe 2.0 with over 200MB/s performance. Backward compatible with PCIe 1.0 slot. * New CLONE mode (N-way Mirror) - all the hard drives connected could be mirrored. CLONE mode is especially useful when users would like to copy data form one hard drive to several hard drives at the same time. * True hardware RAID design within the enclosure. No driver and additional RAID controller needed.