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Based on the review from PC Mag, it looks like it is only 1 Port that supports 4k 120hz
Sorry, there was a problem. Please try again later.From what I finally found out is that HDM1 has eARC which you can plug a soundbar that has an hdmi port, HDMI2 & 4 does 4k and 60hz, and HDMI 3 is capable of 4k at 120hz and 1080p at 240hz.
Sorry, there was a problem. Please try again later.Only 1 port actually says 120hz on it which is #3. So it might be possible that only one is 2.1 The #1 says ARC on it and the other 2 (4 total on this tv) dont have anything speical written on them.
Sorry, there was a problem. Please try again later.To answer your question, I want to gather a bit more information. When you have a free moment, we are available through text message, chat, or over the phone. Just go to support.VIZIO.com and click on ‘Contact Us’.
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