Sans Digital TowerRAID 5-Bay USB 3.0/eSATA Hardware RAID 5 Tower with 6G PCIe 2.0 Host Bus Adapter TR5UT-BP (Black) 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.