These devices were simple boxes with a few VGA ports ... Today, KVM switchers are a bit more complicated than a simple rotary switch. We’re not dealing with VGA anymore — we have HDMI muxes.

So for example; We have one large monitor that has 4x HDMI ports on the back. We can then plug 4x different computers into the monitor. Your keyboard and mouse plug into the KVM switch.

Unlike many basic KVM switches ... the AdderView switch can be stacked with other boxes, such as the wireless router, and be entirely out of the way. The switch has a RJ-45 port in front for ...

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.