The OWC Mercury Elite Pro Dual Enclosure is a 2.0TB Dual bay Thunderbolt 2 and USB 3.1 Gen 1 equipped to perform RAID solution. This enclosure has two Thunderbolt 2 ports and one USB 3.1 Gen 1 port. The Hardware RAID can be configured in RAID 0,1, SPAN, and Independent drive modes. It includes a 0.6-meter USB 3.1 Gen 1 cable and a 1.0-meter Thunderbolt cable. This enclosure is made of aluminum.