RT93DAEU3 RAID Tower IX (black color) with three 5X1 HPM-XU. Accommdate up to fifteen 3.5" SATA hard drives of any capacity (drives not included). 3.5" Drives are added or removed like tape cartridge from each drive bay with no special tool required. Connect to system via three eSATA ports or three USB 3.0 / 2.0 ports(connecting cables included). Drives can be configured as RAID0, RAID1, RAID3, RAID5, RAID10, JBOD, Clone Mode using built-in hardware RAID.
For more detail, check the product web page at http://www.addonics.com/products/raid_tower/raid_tower_rtix.asp