The feature, which is just arriving now, was first promised at Apple’s WWDC conference in June 2017. This support is limited to machines with Thunderbolt 3 ports, which includes MacBook Pros from 2016 and 2017, last year’s 4K and 5K iMacs and the iMac Pro. Graphics Cards Supported

AMD Radeon RX 570AMD Radeon RX 580AMD Radeon Pro WX 7100 AMD Radeon Vega RX 56AMD Radeon RX Vega 64AMD Radeon Vega Frontier Edition AirAMD Radeon Pro WX 9100

Available eGPU Chassis Options

OWC Mercury Helios FX (opens in new tab)PowerColor Devil BoxSapphire Gear BoxSonnet eGFX Breakaway Box 350W (opens in new tab)Sonnet eGFX Breakaway Box 550W (opens in new tab)Sonnet eGFX Breakaway Box 650WSonnet Radeon RX 570 eGFX Breakaway Puck (opens in new tab) (all-in-one option with GPU inside)

For each GPU, Apple also recommends chassis options that can power the MacBook Pro, most often from OWC, Sapphire, PowerColor and Sonnet. When pairing, make sure that the chassis can  both power the GPU and fit it inside. We tested some of these devices, including the PowerColor Devil Box and the Sonnet eGFX Breakaway box, and you can see those results here.

macOS Guide

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