I bought two of these to work with my two Acer monitors that I have. They work great with my new 2017 Macbook Pro. Connect the HDMI cable to the adapter, connect the adapter to your Macbook and you're done! My Acer monitors are only 1080p so I can't comment on how they perform with a 4k monitor but I would definitely buy them again if I need them for another computer.
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