Turns out that “HDMI 2.1” ports don’t need to actually support HDMI 2.1 features

Ars Technica
By Andrew CunninghamDec 14, 2021, 1:37 pm188 pts
Enlarge / Newer game consoles like the Xbox Series X and S support additional features on HDMI 2.1 displays, but HDMI 2.1 can mean different things depending on what product you're buying. (credit: Microsoft) If you dabble in high-end 8K TV equipment or own one of the newest Xbox or PlayStation consoles, you…

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