We have not reviewed all of them. Ugreen 2-port KVM/4-port USB switch: was $49.99 now $39.99 at Amazon This is the best-selling KVM switch on Amazon at the time of writing, one that can handle two ...

Unlike many basic KVM ... by 4.5 inches deep, 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 ...

In the early 1990’s you could get a 4-port KVM which was little more than an AV-style switch. The transition of keyboards to USB brought with it a big upgrade to the KVM hardware. In 2000 ...