RAIDON GR3660-TB3 RAID storage supports two 3.5” or 2.5” hard drive or SSD (Solid State Drive) and comes with two Thunderbolt(TM) 3 interface, the data transfer rate will be 4x faster than USB3.1 Gen2. It also supports daisy chain to let you connect up to six Thunderbolt devices through one cable. Embedded one Hardware RAID chip inside, GR3660-TB3 provides three RAID level – RAID 1, RAID 0 and JBOD, user can set the RAID level easily depending on the application.