Back in the old days, when handing someone a DB serial cable when they asked for a DE serial cable would get you killed, KVM switchers were a thing. These devices were simple boxes with a few VGA ...

4 Port HDMI KVM Switch: This dual monitor HDMI+HDMI KVM Switch can share 4K HD dual monitor and 3 USB 3.0 devices between 4 computers. This dual monitor KVM Switch is for you to control single or ...