I found it difficult to even go 10 feet with a 4k signal.  10 feet would 
work as long as I used a high quality cable, but the screen would 
flicker occasionally, so I moved my computer closer and went with an 8 
foot cable that gave me a flicker free signal.

Brian Cluff

On 12/7/19 5:15 PM, Aaron Jones wrote:
> I have tried three separate cables to connect my Radeon RX580 to a 
> monitor and none of them work. I need to be able to connect from 
> across my room and so I have purchased a 20 Foot Cable, a 25 Foot 
> cable, and a 30 Foot cable with a repeater and none of them will keep 
> a signal at 4K. However, I moved the 30 foot cable over to the 
> displayport using an adapter and reduced to 1080p and it works.
>
> Any one able to recommend a 4K friendly method for connecting my 
> system at around 20ish feet?
>
> Thanks,
> Aaron
>
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