Eyefinity - What I need

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Eyefinity - What I need

Postposted on Wed Dec 21, 2011 7:49 pm

I'm trying to part out a six-screen Eyefinity configuration for my office. We see all sorts of cards out there with 2 display port, an HDMI, and a pair of DVI connectors (on SL, one DL). Others have six mini-DP outputs.

We were just about to pull the trigger on
http://www.newegg.com/Product/Product.aspx?Item=N82E16814131447
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102943

We were going to just use mini-DP to DVI adapters and run with it, but then started reading all sorts of jazz about Active and Passive, legacy and non-legacy stuff.

Brass tacks. What's the story? What do I need to run six screens? This is really just for monitoring utilities mission-control style. No gaming, no extreme fast-response necessity.

What's the deal?
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Re: Eyefinity - What I need

Postposted on Wed Dec 21, 2011 7:58 pm

Some of the links in this thread may help:
viewtopic.php?f=29&t=79072

The first two monitors can be DVI, HDMI or DisplayPort. Monitors three and up must use DisplayPort.

If you've got nice monitors with multiple inputs like the Dell UltraSharp U2410, then the DisplayPort requirement isn't a problem.

If you've got monitors that have only DVI or HDMI input, then you need a DisplayPort to DVI or HDMI active adapter for each monitor after the first two.
Last edited by JustAnEngineer on Thu Dec 22, 2011 12:53 am, edited 1 time in total.
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Re: Eyefinity - What I need

Postposted on Wed Dec 21, 2011 8:00 pm

This explains it pretty well.

http://www.tomshardware.com/reviews/amd ... 596-2.html

JAE came up with a concise explanation before I could. :P
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Re: Eyefinity - What I need

Postposted on Wed Dec 21, 2011 8:05 pm

Incidentally, that second graphics card that you linked to can only support up to three monitors per card.

Here's an inexpensive single-slot Radeon HD6770 that can handle up to 5 monitors per card (all using mini-DisplayPort):
http://www.newegg.com/Product/Product.a ... 6814150574

You can use multiple graphics cards per PC if you've got the PCIe slots for them. If you want to connect 6 monitors to a single card (all using mini-DisplayPort), the Radeon HD6870 that you linked may be the best option currently available at Newegg.
http://www.newegg.com/Product/Product.a ... 6814131447

This Asus EAH6950 DCII/2DI4S/2GD5 is out of stock at Newegg, but it can drive one DVI + one HDMI + four DisplayPort outputs with good gaming performance for about $300:
http://www.mwave.com/mwave/SKUSearch.as ... ia=BZ00056
http://www.amazon.com/DisplayPort-EAH69 ... B004MNAFWY

If your monitors have only DVI and no DisplayPort input, you will definitely want some Active mini-DisplayPort to DVI adapters like this one. This is single-link DVI, so it's only good up to 1920x1200 @60Hz.
http://www.newegg.com/Product/Product.a ... 6812200944
http://www.amazon.com/StarTech-com-MDP2 ... 527&sr=8-1

If your monitors are higher resolution than 1920x1200 each, you'll need a dual-link DVI adapter, which is more expensive.
http://www.amazon.com/Accell-B087B-003J ... 795&sr=8-1
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Re: Eyefinity - What I need

Postposted on Wed Dec 21, 2011 10:16 pm

It really depends on how much money you want to spend. Two graphics cards from AMD will easily run 6 monitors for you and with DVI if you go for Sapphire Flex Edition cards. You can find em on Newegg.com for 105 bucks for 6770s.
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