Tangentially, I tested many KVM models:
https://hardwarerecs.stackexchange.com/questions/18561/kvm-d...
The only one that met my requirements was the UGREEN 8K@60Hz DisplayPort KVM switch:
https://www.amazon.ca/gp/product/B0CFFFHFJT
Several months in without any major issues.
You missed the IP part. Which is what makes these product useful to many.
I wish there was support for 3 monitors, and 3 computers. Otherwise this would have been an immediate buy!