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 ...

Everything about the Belkin Secure DVI-I KVM Switch is air-tight ... The four-port, dual-monitor unit provides USB and PS/2 port for the console keyboard and mouse, plus an extra port a common ...

It's also got a built-in KVM switch. It uses a VA panel, with a 120Hz refresh rate and a 1000R curvature. The refresh rate isn't outstanding, but remember we're talking about a dual-4K affair here.