The latest version of macOS High Sierra, 10.13.4, is here, and with it comes a big new feature: official support for external GPUs. There are, of course, some other fixes and new features with this update, but eGPU support definitely steals much of the spotlight for itself. Before you dive into the wonderful world of increased graphics power, Apple has some recommendations to get the most out of external graphics support.
These recommendations (and, in some cases, requirements), are outlined over on a new Apple support page. First thing’s first: your Mac is going to need Thunderbolt 3 functionality, which limits the machines that support eGPUs to 2016 MacBook Pros and later, 2017 iMacs and later, and the iMac Pro. Assuming you have one of those computers, Apple recommends a number of graphics cards and Thunderbolt 3 chassis.
A number of AMD cards make the list, including the Radeon RX 570, 58