this post was submitted on 14 Nov 2025
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Displayport to HDMI 2.1 adapter?
Regardless, fuck HDMI
I tried.. it didn't work..
I have one working from cablematters. It's slightly finicky (maybe driver issues) but supports HDR, vrr, and 4k@120hz.
Could you sent me the exact product?
CableMatters 102101
And on Amazon; don't think it's widely available anywhere else, unfortunately.
Ignore any commentary about Windows support, because unless something has changed recently, it has poor support on Windows and is missing most features. I have heard mixed things about whether it only supports Freesync on Linux rather than Freesync or VRR. Since my TV supports both and there doesn't appear to be a way to reliably differentiate between the two, I can't confirm either way.
I found it here as well in a local Amazon store luckily: https://www.amazon.nl/Cable-Matters-Unidirectionele-8K-kabeladapter-ondersteuning/dp/B08XFSLWQF
Thanks! I ordered it right away and will test it soon on my TV. I will also first check for firmware updates, since people saying to do first a firmware update.
I'd probably test it out first as it may already have newer firmware, and it gives you a baseline if anything gets better (or worse) after the update. I'll add that Plasma 6 had the best support last time I checked, so test that if you have issues.
Was this an active or passive adapter?
The product description doesn't mention anything about active or passive. Which makes its very confusing for me now.