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All four of the HDMI ports on the LG NanoCell 90 Series 2020 65 inch Class 4K Smart UHD NanoCell TV w/ AI ThinQ® (64.5'' Diag), Model # 65NANO90UNA support 4K @ 60Hz. HDMI 2 and HDMI 4 are HDMI 2.1 ports and will support 4K @ 120Hz (Chroma Samplings - 4:4:4, 4:2:2, and 4:2:0) when HDMI Ultra HD Deep Color is set to On. HDMI 3 is an HDMI eARC port and all the HDMI ports are HDCP 2.2 compliant...^IFV
Sorry, there was a problem. Please try again later.There is one HDMI 4K input, one HDMI ARC input (which I believer supports 4K also) and 2 HDMI 2.0 inputs. https://www.youtube.com/watch?v=nFAT8vkKw00. Hope that helps.
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