Ultra high speed HDMI 2.1 spec released, with a new cable to boot
![Ultra high speed HDMI 2.1 spec released, with a new cable to boot](https://assets.newatlas.com/dims4/default/1720998/2147483647/strip/true/crop/1620x1080+150+0/resize/1200x800!/quality/90/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Farchive%2Fhdmi-2-1-upgrade-cable-14.jpg)
The HDMI Forum's Technical Working Group has released the specs for HDMI 2.1, as well as a new Ultra High Speed HDMI cable. Some of the 2.1 spec's features will be backward compatible with your existing HDMI 2.0 cable, others will require you to upgrade.
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