The new HDMI 2.1 specification (and cable) adds support for 10K, 8K HDR, and 4K at 120fps: Digital Photography Review
HDMI 2.1 Specification Overview
Gaming: is an HDMI 2.1 connector essential? - Son-Vidéo.com: blog
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Gaming: is an HDMI 2.1 connector essential? - Son-Vidéo.com: blog
What is HDMI 2.1 and Do You Need It? - Newegg Insider
PS5 and Xbox Series X: What do you need for 120Hz gaming?
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How to: HDMI 120Hz
HDMI 2.1 Feature - 8K60 / 4K120 Resolution
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