Pros & Cons of Daisy Chaining Monitors

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teve

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Sep 12, 2013
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I have an ASUS VG248QE and a ASUS VS238P-H. The VG248QE uses Displayport 1.2 and the other uses HDMI.

If I connect the VS238P-H to the VG248QE with HDMI and keep the Displayport connected to my PC...would it recognize it as two monitors or extended display?
 
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USAFRet


Since I had never heard that term before, I looked it up.
Apparently, DisplayPort 1.2 spec does support daisychaning monitors. But both the monitors and the GPU have to support it that...
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geofelt

geofelt

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Oct 9, 2006
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I don't think it can work that way.
Just connect both to your graphics adapter and both should be available to use as an extended desktop.

If there is one con, the monitors are slightly different in size, and will change size as you drag a window from one to another. Identical monitors is better.
 
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teve

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Sep 12, 2013
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Ah, I see. Makes sense.
So what do people mean when they say they daisy chain monitors?
 
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USAFRet

USAFRet

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Mar 16, 2013
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Since I had never heard that term before, I looked it up.
Apparently, DisplayPort 1.2 spec does support daisychaning monitors. But both the monitors and the GPU have to support it that functionality
And I think it has to be DisplayPort all the way through.

See here for further info from Dell:
http://support.amd.com/us/kbarticles/Pages/DrivingMultipleDisplaysFromaSingleDisplayPort.aspx

EDIT: Not Dell....rather from AMD
 
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T

teve

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Makes sense. Doesn't look like either monitor has 2 HDMI or Displayport connectors. :(
Thanks for the information though! Very useful!
 
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ram1009

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Mostly they are just repeating something they heard somebody else say to impress others. Daisy chaining monitors would require that at least one of the monitors have an "OUTPUT" port. Personally, I've never seen a monitor with an output port. What I think you want to do requires running multiple monitors directly off the GPU.
 
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Thomas Phinney

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Dec 1, 2013
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What you want to do requires that you have a computer that supports DisplayPort 1.2 (or some future version), and that the monitor have a DisplayPort output as well as a DisplayPort input. Some (most?) of the newest Dell monitors with a model number ending in "13" do as well, such as the U2913WM. (Apple monitors tend to as well, although that gets more complicated as the newer ones have Thunderbolt ports instead, and Thunderbolt interoperability with DisplayPort chaining is complicated.)

It might be obvious, but AFAIK the last monitor in the chain does not need any special daisy-chaining capability beyond having DisplayPort input.
 
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