HDMI 2.1 can unlock better graphics on the Xbox Series X and PlayStation 5.
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HDMI 2.1 vs. HDMI 2.0: What's the Difference?
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HDMI 2.1: What you need to know - CNET
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HDMI 2.1: What you need to know - CNET
HDMI 2.1: What you need to know - CNET
How to Avoid Buying a Fake HDMI 2.1 Cable
When should I upgrade my HDMI cables? - CNET
HDMI 2.1 is here, but don't worry about it yet - CNET
HDMI splitter vs. HDMI switch: They actually serve opposite purposes - CNET
CES 2019: HDMI 2.1 TV connections finally arrive, cables will follow - CNET
What is HDMI 2.1 and Do You Need It? - Newegg Insider