Of course, you could roll your own HDMI switch, and if you’re looking for references, we’ve covered a good few hacks doing that as part of building a KVM.

AV Access 4KIPJ200 KVM over IP solution lets users build a scalable 4K60 KVM matrix with 16x16 video walls, ideal for control ...

Of course, you could roll your own HDMI switch, and if you’re looking for references, we’ve covered a good few hacks doing that as part of building a KVM.