Will the DP 1.4 Combo KVM work with a DP 2.1 monitor so long as the data rate is below the DP1.4 spec?

KVM Model:

Combo USB-C + DP 1.4 KVM

Will the USB-C + DP 1.4 KVM work with the new 5K2K panels so long as the bandwidth is below the DP 1.4 spec cap?

Or would I be better off directly connecting both computers directly to the monitor and using a separate USB Switch?

Thank you.

Definitely go with a KM or our normal DisplayPort KVM.