Latest MacOS is supported by Mac Pro from 9 years ago, that's pretty good. Macbook Pro from 7 years ago. These M1 machines are the new baseline, I wouldn't be surprised if they're supported a decade from now, it's not like MacOS is going to need 10x the CPU/RAM to run in 2032 knock on wood

https://www.apple.com/macos/monterey/ (have to scroll all the way down for supported devices)