4K144Hz Displayport KVM Switch 3 Monitors 3 Computers 1 HDMI 8K30Hz KVM Switches Triple Monitor for 3 PC Share 3 Screens and 4 USB 3.0 Ports with Wireless Controller, Deep Blue.
Works, I just ended up buying a new one for fewer computers. Allows you to switch your peripherals (monitors, mouse and keyboard etc) between different computers without plugging and unplugging a bunch of wires each time.