The BG-UHD-KVM21A is a 4K compatible 2x1 KVM switch. This device allows you to easily share a single keyboard, mouse, and display between two computers. Quickly toggle between the two connected computers using a Hotkey or the push button on the front of the device. It also features an additional USB 2.0 port for sharing devices like cameras, printers, or other accessories. It’s the perfect solution for anyone who requires two workstations to get their job done. It also works great for sharing a single diskspace for both your work and personal computer.