As a bidirectional adapter, it can also connect new Thunderbolt 3 devices to a Mac with a Thunderbolt or Thunderbolt 2 port and macOS Sierra. In addition, it can be used to connect Thunderbolt-enabled ...

Apple officially only calls for 4k and ... Ensure you purchase appropriate Thunderbolt 3 capable cables and adapters, since the cables included with MacBooks are usually for charging only.