Greetings. I was shopping around for an external GPU and Machine Learning + GPU solution for my Mac. Are there any suggestions? It looks like Keras 2.4 has dropped the multi backed support which is worrying. I'm trying to make sure I make a purchase that will fly with what I have. I'm using a Mac Mini (2018) with 64GB RAM. I have multiple Thunderbolt 3 ports. This is an Intel chipset machine, not an M1. Is this feasible?