Areca ARC-8050T2 Dual Thunderbolt 2.0 Ports For Host Interface And Daisy Chain 8-Bay Raid Subsystem A quality product by ARECA Dual core 800 Mhz RAID -On-Chip - RAID 0,1,1E,3,5,6,10,30,50,60,Single Disk or JBOD Well suited for SOHO group professional and serious HD media creators Two Thunderbolt 2 ports, dual channel, bidirectional Includes a 1 meter Thunderbolt Cable