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Hi AgentHeracles, Thank you for the inquiry. The XR55X90K has 4 (4 side) HDMI Inputs. The HDMI IN 3 and 4 supports the features that are specified in the HDMI 2.1 standard. Use the Ultra High-Speed HDMI Cable to connect. Connect your audio system to the HDMI IN 3 to route TV audio to your audio system. For more details, please check the TV model at our support website for product specifications and features. I hope this helps! Jay
Sorry, there was a problem. Please try again later.I have counted 4.
Sorry, there was a problem. Please try again later.4 HDMI 2.1 ports on the back of the TV
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