Video resolution (HD output port): Up to 4K UHD (3840x2160 @ 30Hz) or 2K / 1080p / 720p /480p / 360p. Video resolution (USB 3.1 Type-C port): Up to 4K (3840x2160 @ 60Hz). 4K Video HD Output Adapter. Mirror or extend the display of your MacBook Pro 2016 / 2017 / 2018 to your TV, monitor or projector in up to 4K UHD (3840 x 2160 @ 30Hz) resolution through the HD output port.
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