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Cat5 or 6 refers to the network. Not the HDMI. For HDMI I believe you want 2.1, but always get the latest out there, it’s not very expensive. As for the network, I got cat 8. May as well be prepared for the future.
Sorry, there was a problem. Please try again later.Any newer high-speed HDMI cable should be sufficient for the HDMI ports. Hope this helps! Thank you, TCL Customer Support
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