Image via Blackmagic
What you need to know
- macOS Catalina seems to be causing issues with eGPU setups.
- AppleInsider has reported failures to boot and freezing when using some units
- Most common problems affecting Mac mini and Radeon 570 and 580 eGPUs.
It appears that macOS Catalina is causing problems for users with external GPU setups. According to reports, certain combinations of Mac and eGPUs are experiencing issues including failure to boot up and freezing. As reported by AppleInsider:
The report notes that it seems likely the issue is tied to Polaris AMD card. Certainly Twitter is awash with reports of compatibility issues, including references to a buggy Polaris driver. The issues seem to be just a bug at this state, and it's likely to be patched up in an imminent Catalina update. However, you may want to consider holding off on macOS Catalina if you do use an eGPU, just in case..
Stephen Warwick has written about Apple for five years at iMore and previously elsewhere. He covers all of iMore's latest breaking news regarding all of Apple's products and services, both hardware and software. Stephen has interviewed industry experts in a range of fields including finance, litigation, security, and more. He also specializes in curating and reviewing audio hardware and has experience beyond journalism in sound engineering, production, and design.
Before becoming a writer Stephen studied Ancient History at University and also worked at Apple for more than two years. Stephen is also a host on the iMore show, a weekly podcast recorded live that discusses the latest in breaking Apple news, as well as featuring fun trivia about all things Apple.
Mac Mini running Catalina with Sonnet eGFX Breakaway Puck, no problem. FWIW.
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