“how many of the HDMI ports are HDMI 2.1 certified, tired of having to choose between superior sound or superior picture on my visio because the the arc port is also the only 2.0 hdmi port so i can use 4k hdr at 60hz”

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• All four HDMI ports on the LG Nano 9 Series 4K 55 inch Class Smart UHD NanoCell TV w/ AI ThinQ® (54.6'' Diag), Model # 55SM9000PUA are full spec HDMI 2.1 ports and they are all HDCP 2.2 compliant. HDMI IN 2 is an HDMI eARC port...^IFV

  Answered by LG Digital Customer Care 5 years ago

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