I’ve got 50’ at 1080p 60hz and I’ve got 25’ at 1440p 75hz. I was leery about being able to run that on them at first but now I believe I could probably run a higher resolution or even achieve that at a longer distance.
Not so sure about 100’ though. No more then decent cables are it would be worth a try. Just don’t pull it in the attic before testing really well. Then when you pull it pull 2 and a couple of cat cables with it.
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