AMD Radeon Vega 56: This card is supported in the Breakaway Box 550 or 650.
AMD Radeon Vega 64 (air cooled), Vega Frontier Edition (air cooled); Radeon Pro WX8200 or WX9100; Radeon VII*: These cards are supported in the Breakaway Box 650.
*The Radeon VII requires macOS 10.14.5 beta 5+ or Windows 10 Build 1809+. The Radeon VII fans unnecessarily run at full speed upon sleep or shutdown. To quiet the fans, the user must power down an eGPU chassis with a Radeon VII upon sleep or shutdown
AMD Radeon Vega 64 (liquid cooled) or Vega Frontier Edition (liquid cooled): These cards are not supported.