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Port 3 and 4 are HDMI 2.1. Port 3 is also the earc port for a sound bar. Port 1 and 2 can only do 60hz.
Sorry, there was a problem. Please try again later.Hi Gil, Thank you for your interest in the Hisense 55U8N. This unit has two HDMI 2.1 ports and two HDMI 2.0 ports. If you have any further questions or concerns, please give us a call at 1-888-935-8880 or email us at [email protected]. Thanks again, Harley with the Hisense Support Team.
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