About this tag
The ultra high speed hdmi tag on WindowsForum.com covers the practical realities of 48Gbps HDMI cabling, often sold as HDMI 2.1 cable, and how it behaves when connected to older HDMI 2.0 displays. Discussion centers on a common misconception: an Ultra High Speed HDMI cable works fine with an HDMI 2.0 TV, carrying picture and sound normally, but it cannot unlock 4K at 120Hz, VRR, or other HDMI 2.1-class features that the television's own ports do not support. The recurring theme is confusing cable labeling and the risk of paying for bandwidth your hardware will never use when connecting a gaming PC, console, or streaming box to a living-room display.
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    Ultra High Speed HDMI Cables Work With HDMI 2.0 TVs Up to 4K/60

    An Ultra High Speed HDMI cable, the 48Gbps cable sold as an "HDMI 2.1 cable", works with an HDMI 2.0 TV. It carries picture and sound normally. What it cannot do is add 4K at 120Hz, VRR, or other HDMI 2.1-class features that the TV's own ports don't support. A recent MakeUseOf piece titled "HDMI...