That should work, according to the Apple support document HT207266 "Connect devices and displays with the Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter".
The Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter can be used to connect Thunderbolt 2 devices to Thunderbolt 3 computers, or Thunderbolt 3 devices to Thunderbolt 2 computers.
- Answered by Joseph V from Fort Langley
- 19 Dec 2017
- Flag as inappropriate Answer (eGPU Akitio Thunder 3 to MacBook Air)