HDMI 2.1a supplies electricity over active HDMI cables directly.

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we already know how wrong that can go with displayport.
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When they say "the connection will not work" if connected in reverse, do they mean it wont function as an HDMI cable either? This added power feature has new wires+connectors, the original connections 'should' still all work as before.
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Will be useful for HDMI mini PC and TV set top box sticks.
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coth:

Will be useful for HDMI mini PC and TV set top box sticks.
How so?
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Mufflore:

When they say "the connection will not work" if connected in reverse, do they mean it wont function as an HDMI cable either? This added power feature has new wires+connectors, the original connections 'should' still all work as before.
Active Cables always had a proper direction they go, before or after this feature.
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nevcairiel:

Active Cables always had a proper direction they go, before or after this feature.
Yeah, that wasnt my finest post ever 🙂 Thanks.
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Mufflore:

How so?
Would not require external power
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coth:

Would not require external power
They are usually placed next to the display though, not requiring a HDMI extension ...
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Mufflore:

They are usually placed next to the display though, not requiring a HDMI extension ...
But they require power.
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coth:

But they require power.
That isnt what it said
This should make utilizing active HDMI cables easier. In this manner, HDNMI cables can provide a bit of electricity.