this post was submitted on 13 Nov 2023
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How many displays can be run off a single USB-C port? (alien.top)
submitted 10 months ago by [email protected] to c/[email protected]
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I've found a page on the Framework website which states the laptop can drive 4 displays simultaneously, but is it possible or advisable to do this from a single USB-C port?

Framework 13 AMD

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[–] [email protected] 2 points 10 months ago

Key word “DP daisy chain”

[–] [email protected] 1 points 10 months ago

Intel supports routing all the available display pipelines through a single DP MST connection (any DP output). While AMD does not themselves publicly document this, they do support the same, just as Nvidia does.

Depending on involved peripherals, you might run into bandwidth limits. 4x 4K60 for example is possible over a single DP connection and Lenovo for example even lists that as supported with the right dock for their AMD laptops.

[–] [email protected] 1 points 10 months ago

My Intel 13 starts rate limiting the framerate at 3 minitors. Wonder what gives

[–] [email protected] 1 points 10 months ago

I have 2, 1080p monitors working great out of one port through a dell thunderbolt hub

[–] [email protected] 1 points 10 months ago

Depends on the resolution. Four 1080p displays would probably be okay. Four 4K monitors? Not so much.

[–] [email protected] 1 points 10 months ago

I have used 4 1080P monitors through my Dell WD19TB dock. Intel 1360P.

[–] [email protected] 1 points 10 months ago

I could do 2 external 1080p monitors + the laptop screen with a USB-C CalDigit dock no problem. I have the AMD 7840.