[W520] DisplayPort to dual outputs for 3 external monitors

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.
W520 i7-2720QM | 32 GB RAM 1333 MHz | FHD 1920x1080 | Quadro 1000M | Windows 7 & Ubuntu 14.04
Crucial M500 480GB mSATA + 2 x 1 TB Hitachi Travelstar 7200 rpm | BIOS 1.38

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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If the back of your mini looks like this:
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kevin4545 wrote:
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kevin4545 wrote:
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Hi,
I've just bought a Tv Lcd + Monitor 24 Samsung P2470hn, I have a DisplayPort to DVI adapter and a DVI to HDMI cable to the monitor. But when a I go to System Preferences -> Displays, I only have resolutions up to 1600x900. The monitor supports 1920x1080 but it isn't available. What I'm doing wrong? Could it be the DVI to HDMI cable? The monitor has a DVI input.
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SyncMaster:
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Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
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Online: Yes
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Gabriel

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Which cable to use for 2 external monitors on MacBook Pro?

Hy there,
I'm currently using one external monitor on my MacBook Pro via a mini display to VGA cable from apple.
I would like to hook up another (second external monitor) one using also VGA.
After doing some research I've learned that I should use some sort of adaptor cable for this. I'm just wondering if there is any way of getting one of there for a decent price in europe? (decent is sub €100).
Thanks a lot!

Hello, Carl.
Thank you for visiting Apple Support Communities.
Here is the best resource I could find that gives the best option.
About Mini DisplayPort to HDMI adapters
http://support.apple.com/kb/HT4241
Cheers,
Jason H.

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[W520] DisplayPor​t to dual outputs for 3 external monitors

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[W520] DisplayPort to dual outputs for 3 external monitors