The SM-UHN-4Q (formerly UDHN-4Quad) is a dedicated multi-platform KVM Switch capable of managing up to 4 different computers through four monitors, USB keyboard and mouse, a set of speakers and USB devices like printers, memory devices, scanners, etc.
The SM-UHN-4Q supports resolutions of up to 3840 x 2160 @ 60 Hz with zero pixel loss from TMDS signal correction.