This monitor does not have a KVM built in, so connecting two PCs and then switching the inputs via USB is not possible, but since it has four video inputs, you can show the image of 4 PCs on the display. However, I don't know how useful this could be. A KVM function would certainly be more useful.

For the price, you certainly get good hardware, but in my opinion, this screen with built-in KVM and 4K UHD would be more optimal and can control two PCs. It even has two USB-C ports:

BenQ PD3220U (3840 x 2160 Pixels, 31.50 ")