I have an iMac14,2

[rzmuda]

Has anybody used an external GPU with this model?
Any good results?

 

[Bigwaff]

Follow guide for eGPU on older Macs

How to use an eGPU with a Mac, including older models

If you need to run graphics intensive apps on your Mac you don’t have to wait while it struggles - even older Macs can get a boost if you add a eGPU. Here’s how it’s done.

www.macworld.com