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Yes, this TV features four UHD/HDR-Ready HDMI Ports with HDMI 2.1 connectivity which offers the highest audio quality with eARC and Dolby Atmos passthrough and highest video performance from the newest 4K entertainment devices.
Yes, you can see in the product images HDMI 1 is labeled as eARC. HDMI 3 and 4 are the HDMI 2.1 ports for 4K. HDMI 1 is for eARC.
4 UHD/HDR-Ready HDMI Ports Future-ready HDMI 2.1 connectivity offers the highest audio quality with eARC and Dolby Atmos passthrough and highest video performance from the newest 4K entertainment devices.