When Apple announced that it would lend official support to eGPU setups via Thunderbolt 3, I was extremely happy with the news. It means adding more graphical power on demand to Thunderbolt 3-enabled Macs like the MacBook Pro.
That said, eGPU support is still being fleshed out in macOS High Sierra, and Apple has stated that the situation will be further addressed in the spring of 2018. In the meantime, progress has been made on the eGPU front, albeit slowly.
Just for the fun of it I decided to test the Sapphire Radeon RX Vega 64 inside of a Mantiz Venus external graphics box connected to a 2017 13-inch MacBook Pro. Although official driver support isn’t yet there, I can report that when running the latest macOS High Sierra 10.13.2, the RX Vega 64 does work to some degree. Here’s a hands-on video look at what I found.