Not to be annoying but I highlighted this long ago:

Sounds like you got it but be careful with those Airports:

Airport which is designed and optimized for macOS - and Roon.
It’s standardized networking nowadays, every good router will be fine. I seem the recall that the APE had some supposed optimizations for Apple networking over wifi but at the time their Macs had APE wifi cards as well, which I don’t think exists anymore either. With modern wifi standards it’s probably all pointless and hence discontinued.