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Hi mgiannace, Thank you for the inquiry! For the KD55X85K, only HDMI 3 and 4 supports HDMI 2.1 that features 4K120/eARC/VRR/ALLM. Regards, David
Sorry, there was a problem. Please try again later.Sony says HDMI standard HDMI 2.1 - number of HDMI 4 (2x HDMI 2.1)
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