Review on HDMI Matrix Switch 4X4, 4K HDMI Matrix Switcher Splitter 4 In 4 Out Box With EDID Extractor And IR Remote Control Support 4K HDR, HDMI 2.0B, HDCP 2.2, 4K@60Hz, 3D, YUV 4:4:4 (Gray) by Ray Reeltalk

This product works as-advertised. I currently use it with two different computers and two monitors. The selection buttons on the unit or included remote allow me to seamlessly select which of my two computers displays to which monitors. However, the IR remote functionality is flaky at best.PROS:Functional hdmi-only KVM switch that allows you to easily select computer/display combos.CONS:IR Remote functionality does't work very well. If the IR sensor on the switch is obscured even slightly, it will not pick up the remote.The unit does not include any feet or pads on the bottom. Because of this, the metal case can easily scratch whatever surface it's placed on.