USB over Mini Displayport in Thunderbolt port?

Hey all,
I've got a MacBook Pro Retina 13" Late 2013, I've got it connected to an Acer B296CL 29" monitor. I'm connecting it with a Mini DisplayPort to DisplayPort cable, with the Mini DisplayPort end plugged into one of the Thunderbolt ports on the Macbook, and the DisplayPort into the monitor.
As far as I was aware, DisplayPort could carry USB?
I was hoping to utilise the USB ports on the monitor, so I could use the monitor as a dock, connecting to it via the MDP to DP cable, without having to also plug in any kind of USB dock to the MacBook to connect USB devices.
Is what I'm trying to do possible?
Thanks, Jack.

Displayport itself can't carry USB except in the dual-link cable configuration if the graphics chip on board the Mac supports it.
You are probably better off getting a thunderbolt hub if you don't have enough ports. A hub like this may be helpful:
http://www.belkin.com/us/p/P-F4U055/

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MBP's like your late-2008 model don't output audio through the mini-displayport — the first models to do so were introduced in April 2010.
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http://kanexlive.com/products/iAdapt20.html
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I previously ordered a Mini DisplayPort -> HDMI cable (http://www.amazon.co.uk/1-8m-DisplayPort-Adapter-Unibody-MacBook/dp/B003WVC8R2/r ef=sr1_fkmr01?ie=UTF8&m=A1T39SA8AUFT6J&qid=1289477962&sr=1-1-fkmr0).
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All we know about your MacBook Pro model is that you've identified it as a "2009 model MacBook Pro." Apple introduced audio-out via mini-displayport in the April 2010 MBP models, so if yours was bought before then, it didn't have that capability when it was new. To the best of my knowledge and belief, nothing that has happened or been released since then has changed that.
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HT3924 mini displayport cable / thunderbolt cable

the mini displayport cable is the same as the thunderbolt cable?
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A mini-DisplayPort cable and a Thunderbolt cable are not the same. If you wish to use Target Display Mode and your older iMac will be the "external display", a mini-DisplayPort cable should work. See:
http://support.apple.com/kb/HT3924
Regards.

Could my current mac with the Mini DisplayPort use thunderbolt displays? Even any other thunderbolt technology?

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John Hammer1 wrote:
It will work, but only as a display – obviously you will not have access to the hub and daisychain functions.
I don't see that would work... Plus, if it were possible, I would think a company would utilize that for marketing leverage to appeal to more users with only the older mDP cpu's. In this case, that's not what is happening. So I don't believe it will work like that. Typically, a company wouldn't make specific statements (ex "attaching to any Thunderbolt enabled device"), if it was Not a requirement to work.
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Shame on me)
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Hello, I am first time forums user and a new mac owner.
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http://store.apple.com/us/product/M9319G/A
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<http://www.macblurayplayer.com>
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I've just purchased a MacBook Pro 13" to replace a stolen MacBook.
The port to connect to an external display has changed but everywhere seems to say my existing Mini DisplayPort cable will still work but it's a completely different fitting.
I'm very confused, Please HELP!!

janeypie wrote:
I had a MacBook before but it was bought back in 2008.
thanks for your info... I'll let you know if it works out!
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Can someone recommend a Mini Displayport Female to HDMI cord/adapter?

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Please clearify which Apple 27" display you want to connect. Is the the 2010 model which uses a mini-displayport. Or is it the current thunderbolt model.
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Confusing Mini DisplayPort with Thunderbolt
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