Windows 10 at 4K60hz HDR mode and cable length - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 05-24-2019, 05:47 AM - Thread Starter
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Windows 10 at 4K60hz HDR mode and cable length

Yesterday i took delivery of my new TV set, a Samsung Q7FN.
Due to space constraints and the way everything was set up prior to the TV upgrade i had a really long 3.6m cable going from the HTPC (Ryzen system, RTX2070) to the TV and it was never able to handle HDR [email protected] signals on the previous TV set, you could count on it going haywire trying to handle that kind of signal, which hasn't changed in this new TV.
Anyway, i picked up two shorter 2m cables i had lying around (a cheap Pix cable and a mid range priced Diamond Gold) and both managed the HDR [email protected] signal like it was no big deal, i even played Forza Horizon 4 for 3 or so hours and everything was nice and smooth.
So i come to ask, what is the maximum cable lenght advisable to use in this scenario before having to go with active boosted cables or optical fiber?
The beauty of this new TV is that i can move the one connect box pretty much anywhere in the equipment rack to achieve a desirable lenght, so i'm mostly just curious about the topic.

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Screen- Samsung QLED Q7FN 55"
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post #2 of 5 Old 05-24-2019, 06:58 AM
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Actually it is quite simple: Buy only the Premium certified HDMI cable. There will be a certification bar code on the cable for 4K use. https://www.hdmi.org/manufacturer/premiumcable/faq.aspx
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post #3 of 5 Old 05-24-2019, 09:29 AM - Thread Starter
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Quote:
Originally Posted by Foxbat121 View Post
Actually it is quite simple: Buy only the Premium certified HDMI cable. There will be a certification bar code on the cable for 4K use. https://www.hdmi.org/manufacturer/premiumcable/faq.aspx

Hmm, interesting, never seen that premium certified badge before, there's also not a single manufacturer from the cables i'm using on their adopter list, however there are some from China, and i can get chinese products really easily buying from Aliexpress.

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post #4 of 5 Old 05-24-2019, 10:18 AM
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There are plenty those certified cable on Amazon. Keep in mind, just because the manufacturer is on the list doesn't mean all their cables are certified. Only the cables carry that badge are

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post #5 of 5 Old 05-24-2019, 10:46 AM
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Monoprice sells them for cheap.
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