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How many external monitors via ThunderBolt
12-07-2020 08:17 AM

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Hi there,
I am trying to connect two 4k monitors (Samsung U28E570D ) via a Dell K16A dock on my Omen 17-cb1670nd laptop.
The dock is getting recognized by the Thunderbolt Control Center.
All cables are connected correctly and if I replace the Omen with a Dell XPS everything works just fine.
So what is the issue ? The laptop only recognizes one of the two monitors at a time. So if I disconnect the one that is being recognized the second one will be recognized. Both monitors are connected via DP.
My first question would be : does my omen with its RTX 2060 gfx card and it's 300Hz full-hd screen support two extra 4k (60hz) screens ?
Because if this isn't the case then looking further in the dock makes no sense 😛
12-07-2020 12:57 PM

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Firstly the normal rule is: resolution goes up, refresh rate will go down and vise versa.
In general a Thunderbolt™ 3 port allows the connection of two 4K monitors (60Hz), one 5K (60Hz), or one 4K at 120 Hz per port.
Note: Thunderbolt™ 3 supports daisy chain monitors.
Regards.
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12-10-2020 12:07 AM

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Hi,
to begin thank you for your answer. I have to admit that I already knew about the mentioned rule of thumb 😉
What I'd really like to know for sure is if my laptop, having a native screen with a 300hz refresh rate, is also capable of connecting two supplementary 4k monitors (60hz) via Thunderbolt.
So will the RTX 2060 be able to address these 3 monitors at the same time ?

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