The space gray 14-port Thunderbolt 3 dock from OWC/ OTHER WORLD COMPUTING is designed to provide a combination of ports, convenience, and power to your computer via its included Thunderbolt 3 cable. With an integrated Pair of Thunderbolt 3 ports, This dock allows a data transfer rate that can reach up 40 GB/s, which is also capable of supporting dual 4K or single 5K displays. Moreover, extending or mirroring your system's screen to an external monitor is possible with this dock's Mini DisplayPort 1.2 port. wired