I bought this KVM to test multiple computers from a single kbd/mse to support. I wanted one that supports 4K at 60Hz but couldn't find one for a reasonable price. This device supports 4K @ 30Hz, not optimal but good enough. So far the device has worked well, although I've only tested it with a 1080p TV. As another reviewer noted, I'm having some issues with the switch. Unlike this reviewer, mine works fine; sometimes it takes two presses before it actually switches, and you have to switch fairly slowly. However, I gave only one star for this inconvenience.
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