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[W520] DisplayPort to dual outputs for 3 external monitors

2014-01-06, 18:46 PM

I just discovered DisplayPort dual output adapters.  Example:


DisplayPort to dual DisplayPort, Lenovo brand.


DisplayPort to dual HDMI (currently out of stock).


Currently I'm using my laptop display plus two external monitors with one using VGA and the other using DisplayPort for three displays total.  Could I use one of these dual adapters to use three external monitors (plus laptop display) for four total displays?  All displays would be 1920x1080 or less.


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Re: [W520] DisplayPort to dual outputs for 3 external monitors

2014-02-28, 21:52 PM

Hi, just wanted to bump this thread because I have the same question (hope that's okay).


I currently have:


W520 screen

External 1080p monitor

External 1080p monitor


I'm hoping to keep those three displays but add a 1080p TV screen via an HDMI out. I would use the dual Displayport adapter noted above and a displayport-HDMi adapter I already have for the TV out.


If it is possible, would I be looking at a duplicate screen situation, or could I potentially extend my desktop past the three screens for totally new real estate?


Thanks all!


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Re: [W520] DisplayPort to dual outputs for 3 external monitors

2014-03-01, 20:58 PM
The display port supports daisy chaining.

Other option is to buy a HDMI splitter from eBay. I'm not familiar with the Lenovo splitter

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Re: [W520] DisplayPort to dual outputs for 3 external monitors

2014-03-02, 3:29 AM
As long as you don't plan on exceeding DisplayPort bandwidth, I think you'll be fine.

The ZOTAC reviews do say that you can oly extend horizontally, which suggests it's convincing the video card that it's a twice-as-wide single monitor.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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