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Only if you have anything running full 4K @ 120hz will you need an HDMI 2.1 compatible cable. Any HDMI cable labeled "HighSpeed" will all handle 4K @ 30 hz which is fine for most users since most content is 24 or 30 frames.
Sorry, there was a problem. Please try again later.So I need a 2.1 cable from the TV to the Tivo just to get the full4K streaming from the TV apps and not use the older HDMI we had hooked up with our non 4K Vizio? So their is 2.0 and 2.1?
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