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Need SLI advice

post #1 of 11
Thread Starter 
Hey all,

Looking to add a Gigabyte GTX 560. The current one I have in now runs at 900MHz. The one currenlty in my rig is the OC version. I found the non OC version that is cheaper. I know they are basically the same card but ones come overclock already and didnt have to do anything. So I have some questions.

1. Can I overclock the addtional card to run with the one I have now at the same speed. I thought I read somewhere that the faster card will clock itself down with the other card.

2. How long will 2 GTX 560 last in terms of keeping up with games in the next few years?

Thanks.
    
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post #2 of 11
First you can definitely OC the second card to match the first use msi afterburner. Second it is hard to say but 2 gtx560s should be pretty powerful for a while. and you can always OC more if you feel that they aren't keeping up.
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post #3 of 11
If left to its own devices, the faster card will downclock to match the slower card but there's no reason you couldnt then overclock them both back up to 900MHz. If their both Gigabyte GTX560's but one is a standard model and the other is an overclocked model, you could probably just try flashing the OC'd BIOS to the slower one.

How long it will last is a bit harder to answer. A game like BF3 at 1920x1080 at ultra settings will already start to make those cards nervous (from what I've read/seen). But if your comfortable with high settings, it'll last probably 2-3 years. Don't quote me on that though
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by DSP1 View Post
First you can definitely OC the second card to match the first use msi afterburner. Second it is hard to say but 2 gtx560s should be pretty powerful for a while. and you can always OC more if you feel that they aren't keeping up.
Thanks for the response. If I can go at least 2-3 years I will be satisfied with that and can upgrade later as I think my Mobo will last a long time.
    
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post #5 of 11
Thread Starter 
Thanks Suit It up. I can use all the advice I can get. The 570s and 580s which I would like to have is just to rich for my pockets right now. I don't know if I will be playing BF3 but I am looking forward to Skyrim.
    
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post #6 of 11
GTX 560s in SLI are a good bit faster than a single GTX 580 or HD 6970. I would think that would give you some longevity before your next major upgrade. I plan on SLIing mine as well in the near future (building a new PC early next year).

http://www.guru3d.com/article/geforc...0-sli-review/1
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post #7 of 11
Quote:
Originally Posted by gabead View Post
Thanks for the response. If I can go at least 2-3 years I will be satisfied with that and can upgrade later as I think my Mobo will last a long time.
If you buy an OC card and a non OC card, and SLI them

when you open up MSI afterburner, by default, it will take whatever GPU is in PCIE slot 1...make it as PRIMARY...and whatever is in PCIE slot 2, it will MATCH that

So say you have the OC card in slot 1...the non OC card will automatically default to OC clocks/volts....and if you have the NON OC card in slot 1, then the OC card in slot 2 will default to non OC clocks...lol
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post #8 of 11
Thread Starter 
Quote:
Originally Posted by steven88 View Post
If you buy an OC card and a non OC card, and SLI them

when you open up MSI afterburner, by default, it will take whatever GPU is in PCIE slot 1...make it as PRIMARY...and whatever is in PCIE slot 2, it will MATCH that

So say you have the OC card in slot 1...the non OC card will automatically default to OC clocks/volts....and if you have the NON OC card in slot 1, then the OC card in slot 2 will default to non OC clocks...lol
Ah great to know, so I won't have to worry about doing it myself. Not that I couldn't but the OC one is running pretty good the way it is. Thx!
Edited by gabead - 10/11/11 at 10:14am
    
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post #9 of 11
Thread Starter 
Quote:
Originally Posted by Jeffredo View Post
GTX 560s in SLI are a good bit faster than a single GTX 580 or HD 6970. I would think that would give you some longevity before your next major upgrade. I plan on SLIing mine as well in the near future (building a new PC early next year).

http://www.guru3d.com/article/geforc...0-sli-review/1
Thanks for the Link will definetly read. Good luck on your new pc when you get ready to build it.
    
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post #10 of 11
My GTX 260 from 3 years ago ran as a single still runs majority of all games at 50-70 FPS. In SLI I run 70+ FPS for all games. I think if you SLI 580's that would be more than enough for 3+Years. My brother runs 560 TI SLI and gets over 140 FPS in a lot of games.
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