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I am thinking 3way sli 470 - Page 2

post #11 of 23
Quote:
Originally Posted by JedixJarf View Post
You can't 3 way 560's... lol lame 0
I wasn't thinking. lame 0 indeed.
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post #12 of 23
To be honest tri-SLI 470s is overkill unless you're at 2560x1600 and even then the benefits are not that large. If I were in your shoes I'd go a 2nd 470 or sell the 470 and get two 560s or two 570s. It's not really worth getting a card just for physx, the GPUs can handle physx + regular work load just fine. Your PSU should be able to handle Tri-SLI if you choose to go that route.
Edited by Blackhawk4 - 3/9/11 at 3:31pm
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post #13 of 23
Thread Starter 
i fold and the 470 i have is grate folding. i play games at 1920x1200. and i do get some microshutter or slow frames in some games like cryses. i would like to smoth the game play out on max setings.
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post #14 of 23
Quote:
Originally Posted by harrison View Post
i fold and the 470 i have is grate folding. i play games at 1920x1200. and i do get some microshutter or slow frames in some games like cryses. i would like to smoth the game play out on max setings.
hmmm if you budget can afford it, go for it personally i havent had any issues with 3-way and the 470's seem to be getting cheaper. plus they make an awesome heater for winter keeps me warm
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post #15 of 23
1k watt PSU will handle 3 of your 470 with ease, u have nothing to worry about, if u have the money for it go for it then, 3 way scales very nicely thanks to nvidia drivers, also if you OC them you are going to have one beast computer there
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post #16 of 23
Go 3 - Way and install 4 x 120mm fan in the side of the fan and temps should be under control. 3 x GTX470 should be close to GTX580 SLI or even faster.
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post #17 of 23
GTX470 3-way SLI scales nicely as evidenced in this guru3d's review:
http://www.guru3d.com/article/geforc...y-sli-review/4

The driver used was 197.41. If that old driver could provide such nice scaling, newer drivers will provide even (slightly or much) better scaling.

And as pointed out in this review, it is not the scaling that is of concern. It is rather some CPU bottlenecking, which is less at 2560x1600 and relatively more at 1920x1200. Guru3d used i7 965 at 3.75Ghz which is similar to OP's i7 920 at 3.8GHz. However, when bottlenecking does show up for a few games at 1920x1200, the fps already is 100+ and so there is no visual difference anyway.

And Corsair 1000W should be enough. Make sure you distribute the 3 cards (GPU1, GPU2 and GPU3) according to the rail diagram below.

Lastly, the main concern is probably be the heat management inside the 932. This is too long a topic to discuss in this post. One thought, for now, is to replace the side panel 230mm fan with some 120mm fans blowing a stronger stream of fresh air to the cards.
post #18 of 23
I Just did mine and Loved it no problems

here are some benchmarks and photos




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post #19 of 23
I run three overclocked to 800/1600/1701. I had two but went for three when I got my 2560x1600 Dell U3011.

If you get three you really have to make sure your cpu is up for the task. I overclocked mine to 4.2ghz.

If you are doing 1920x1200 or lower, then no, not really worth it.
post #20 of 23
I dunno ... maybe if you're at 2560x1200 (or more) and water-cooling ... otherwise I'd stick w/two personally.

I mean, I'm at 1920x1200 and the only game I can't completely max out w/o it sometimes lagging is Metro. And even then I just turn off ADoF (which I hate anyway) and use AAA and I'm golden.

I just think the number of scenarios where 3x470's is playable but 2x470's is unplayable ... it's just going to be so friggin rare.

And three of them are gonna be hot and loud as hell unless under H2O.
    
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