Rocstor Rocpro T24 DAS Array 4-Bay Thunderbolt  2 Enclosure &ndash; 4 x HDD/SSD Supported Compatible with 6 Gbits/s SATA hard drives and solid-state drives Connects via two (2) Thunderbolt 2 ports (up to 20Gbps of transfer rates) Add your own storage drives Features 4x Hot-swap trays for hard disk or solid state drives No A/C Adapter Required. Direct DC Power Connection to the Unit Provides multiple hardware RAID tasks for effective storage management: JBOD (None RAID), RAID 0 (Striping), RAID 1 (Mirroring), RAID 10 (1+0) Provides multiple devices with increased speed and flexibility via Daisy Chaining Configures RAID modes easily using RAID Graphic User Interface (GUI)