alt Hacker NewsYou can buy a cheap GPU enclosure for about 100$ off ali express.
Takes a standard PSU. However, Mac Minis don't have occulink. So you might be a bit limited by whatever USB C can do.
Now if Intel can get there Arc drivers in order we'll see some real budget fun.
https://www.newegg.com/intel-arc-pro-b70-32gb-graphics-card/...
32 GB of VRAM for 1000$. Plus a 500$ Mac Mini.
Those $100 ones don't come with a cage. If you do want a cage, you'll end up with $180 in total, with zero warranty.
Article mentions: "Apple finally approved our driver for both AMD and NVIDIA"
Does not mention Intel (GPUs). Select AMD GPUs work on macOS, but...
Macs (both Intel and ARM) support TB, but eGPU only work on Intel Macs, and basically only with AMD.
Good news is for medium end gaming choices are solid, and CUDA works on AMD these days.