“Does anyone know how many of the HDMI ports support the new HDMI 2.1?”

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• The LG GX 77 inch Class with Gallery Design 4K Smart OLED TV w/AI ThinQ® (76.7'' Diag), Model # OLED77GXPUA has 4 x HDMI ports and they are all HDMI 2.1 ports, they all support VRR(Variable Refresh Rate), ALLM (Auto Low Latency Mode) and HDMI 3 is an HDMI eARC port. All of the HDMI ports are HDCP 2.2 compliant and the TV is a G-Sync Compatible display that is compatible with RTX 20 and GTX 16 graphics cards. (Older GPUs will not support G-SYNC compatibility). The TV will soon receive a software update for FreeSync™ and it also supports HGiG...^IFV

  Answered by LG Digital Customer Care 5 years ago

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• From what I've researched, all 4 HDMI inputs are indeed version 2.1 if I'm not mistaking. I'm pretty sure I'm correct.

  Answered by Starfox 5 years ago

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