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does it matter what type of display port for 120hz monitors?

post #1 of 11
Thread Starter 
I have the gigabyte 7970 and plan to connect to acer 3d 27. does it matter what type of display port i get for 120hz monitors?
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post #2 of 11

Don't understand the question. People will respond if they understand OP laugher.gif

 

How many type of DisplayPort that you know of.

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post #3 of 11
Thread Starter 
sorry about that.

i've seen some display ports like apples that have a usb connection. others don't have it.
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post #4 of 11
Transmitter unit? for the glasses? Or the cable to the video card?
post #5 of 11
The ones with the USB connection would be active DisplayPort adapters to DVI. If you're connecting straight from DisplayPort on the card to DisplayPort on the monitor, then it's a non-issue.

However if you're connecting from DisplayPort to DVI, you'll need an active DisplayPort to dual link DVI adapter (generally ones with the USB connection) to have enough available bandwidth for 1080p 120hz.
Edited by CoD511 - 2/18/12 at 8:12am
post #6 of 11
Nah dual link DVI can handle 1080p 120Hz i think or 2560x1600 60Hz, anything higher then that needs display port.
post #7 of 11
Quote:
Originally Posted by SHINY911 View Post

Nah dual link DVI can handle 1080p 120Hz i think or 2560x1600 60Hz, anything higher then that needs display port.

As I said tongue.gif If using an adapter for DisplayPort to DVI, you'll need to make sure you've got an active one that supports dual link DVI. I've heard it's a bit hit-and-miss with some, so you'd want to be sure. They can be a bit expensive too.
post #8 of 11

You said monitors, so I guess you are planning for Eyefinity 3 @120Hz monitors. Get monitors with native DisplayPort + DVI to support 120Hz.

 

Why DVI and DP monitors is, because AMD has no support with DisplayPort-to-DVI-Dual-Link Active Adapter @120Hz but only @60Hz.

 

So it's important that the monitors to have both DVI and DP inputs.

 

 

 

 

 

 

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post #9 of 11
Quote:
Originally Posted by Ken1649 View Post

You said monitors, so I guess you are planning for Eyefinity 3 @120Hz monitors. Get monitors with native DisplayPort + DVI to support 120Hz.

Why DVI and DP monitors is, because AMD has no support with DisplayPort-to-DVI-Dual-Link Active Adapter @120Hz but only @60Hz.

So it's important that the monitors to have both DVI and DP inputs.


Can't say I've tried it but I've heard of people having success with 120hz using the Apple miniDP to dual-link DVI adapter?
post #10 of 11
Since there are no 3D monitors that support 2560 x 1600 then the best cable to use would be DVI. It is digital, so it cleaner and more robust than VGA and doesn't need the higher bandwidth of DP. Also all GPU's have them these days. Garenteed compatibly.
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