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SLIing two 580GTX cards with stock cooler - bad idea? - Page 2

post #11 of 30
That motherboard has 2 spaces between the PCIe16_1 slot and the _2 slot, so you'll be set to go with whatever setup you desire. Personally, I'd say wait a couple weeks for the EVGA 3GB model. 3GB of VRAM is excessive, but it makes it so you can just go "I want that" when selecting monitors, rather than having to consider what your card can handle.

P.S. Please, someone, show a setup with 4 watercooled 3GB 580s on like 3 of these... It'd be epic. Also, please post your address and leave it on the front porch for whatever OCN member makes it there first
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post #12 of 30
Go with 2 non-reference GTX 580's. Heat won't be an issue with the cards then. Here's a few:

http://www.newegg.com/Product/Produc...82E16814187127
http://www.newegg.com/Product/Produc...82E16814125364
http://www.newegg.com/Product/Produc...82E16814261095
http://www.newegg.com/Product/Produc...82E16814121429
http://www.newegg.com/Product/Produc...82E16814127567
http://www.newegg.com/Product/Produc...82E16814162073
Edited by Diabolical999 - 4/9/11 at 6:12pm
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post #13 of 30
Thread Starter 
Quote:
Originally Posted by -Apocalypse- View Post
That motherboard has 2 spaces between the PCIe16_1 slot and the _2 slot, so you'll be set to go with whatever setup you desire. Personally, I'd say wait a couple weeks for the EVGA 3GB model. 3GB of VRAM is excessive, but it makes it so you can just go "I want that" when selecting monitors, rather than having to consider what your card can handle
Yeah, I heard about EVGA possibly releasing a 3GB version of the 580GTX card. It sounds pretty nice, but I'm not really sure when they plan on putting it out on the market. Can hardly find any info on the card. lol

I thought that the 3GB of vram might be useful for running games in 3D at 1920x1080, but I'm not sure if that would be overkill. , since it comes with the 3D vision kit. Do you think that 3GB would be needed for that resolution? Or would 1.5GB (x2 if I SLI the 580GTX card) probably be enough? If 1.5GB (x2) would enough for that, then I think I'll probably end up grabbing one of those non-reference cards instead of waiting for the EVGA 3GB ones to come out.

Thanks for the links, I really appreciate it! I was actually looking at the MSI and ASUS ones just a little while ago. They look really nice, and I'm liking the factory OC on that MSI card. The Galaxy and Sparkle ones look nice too, but take up 3 slots like that ASUS card as well, so I'm not sure which of the three (ASUS, Galaxy, Sparkle) would provide better cooling. I'm also pretty torn between all four now as well. lol

Also, in regards to what covertash said, would it still be a good idea to have some space between these 3-slot-cooler cards? Like I mentioned before, I'm going with that ASUS P8P67 Deluxe board, and it doesn't look like I would have any space to spare if I went ahead and SLI'd two of those 3-slot-cooler cards. So I'd be a little worried about the temps then.
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post #14 of 30
Quote:
Originally Posted by Haze80 View Post
Yes running 2 580 gtx with stock fans isn't a very good idea. Mine gets pretty hot after a few minutes so I had to make a custom fan profile using msi afterburner and the card still tops at around 70c while playing games like crysis. so right now I'm looking to water cool my card. Also my bad temp could be because of my setup which brings cold air into my radiator and throws it inside my pc raising my overall temperature.
70c is damn good temps for SLI GTX580,s (IMO)

Quote:
Originally Posted by amstech View Post
On a mainboard with good separation, in a case with great cooling, SLi GTX 580's should be fine. I am talking several fans aiming at your GPU's 24/7.
And don't touch the clocks.

Just turn Vsync on, max every setting and enjoy!
Which is pretty much what a single GTX 580 can do, and a 570 overclocked to 580 performance.

This +1
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post #15 of 30
Quote:
Originally Posted by nekroturkey View Post
I thought that the 3GB of vram might be useful for running games in 3D at 1920x1080, but I'm not sure if that would be overkill.
For a single 1080p 3D monitor 3GB would be a waste. The 3D cuts FPS in half but doesn't use any more VRAM. Very, very few games will use the 1.5GB of the normal 580.
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post #16 of 30
Waste of money. Get 6990 + 6970 for trifire. Smokes SLI 580.
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post #17 of 30
Quote:
Originally Posted by nekroturkey View Post
Yeah, I heard about EVGA possibly releasing a 3GB version of the 580GTX card. It sounds pretty nice, but I'm not really sure when they plan on putting it out on the market. Can hardly find any info on the card. lol

I thought that the 3GB of vram might be useful for running games in 3D at 1920x1080, but I'm not sure if that would be overkill. This is the monitor that I was planning on getting as well, since it comes with the 3D vision kit. Do you think that 3GB would be needed for that resolution? Or would 1.5GB (x2 if I SLI the 580GTX card) probably be enough? If 1.5GB (x2) would enough for that, then I think I'll probably end up grabbing one of those non-reference cards instead of waiting for the EVGA 3GB ones to come out.
There's a quote from an EVGA rep floating around that they should be here within the next 3 weeks. For 3D 1080p, 3GB is overkill. I suggest it because it's a relatively small price premium over regular 580s and is an amazing way to future-proof your system's performance/resale value. Now, if EVGA ends up doing the same cooler they put on the 560 and 570HD on the 3GB 580, run for the hills, or at least the reference version.
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post #18 of 30
Thread Starter 
Quote:
Originally Posted by -Apocalypse- View Post
There's a quote from an EVGA rep floating around that they should be here within the next 3 weeks. For 3D 1080p, 3GB is overkill. I suggest it because it's a relatively small price premium over regular 580s and is an amazing way to future-proof your system's performance/resale value. Now, if EVGA ends up doing the same cooler they put on the 560 and 570HD on the 3GB 580, run for the hills, or at least the reference version.
Yeah definitely, if it doesn't end up costing too much more than the default 580, then I wouldn't see any reason not to get it (as long as it has a good stock cooler too, hopefully). I'm waiting until May~ish though to put this PC together, so by then it should be out hopefully, and I can take a look at some of the reviews.

One last question though, would a 1000w PSU be enough to power two 580GTX cards in SLI? I'm looking at some of the PSUs over on newegg, and some of those Corsair PSUs have been getting some nice reviews. I was planning on getting this one, but if that isn't enough wattage for two 580 cards, then I was thinking about maybe this one instead.
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post #19 of 30
Quote:
Originally Posted by nekroturkey View Post
One last question though, would a 1000w PSU be enough to power two 580GTX cards in SLI? I'm looking at some of the PSUs over on newegg, and some of those Corsair PSUs have been getting some nice reviews. I was planning on getting this one, but if that isn't enough wattage for two 580 cards, then I was thinking about maybe this one instead.
An 850w unit will do just fine with 580SLI. Here are Corsairs 850s:
http://www.newegg.com/Product/Produc...82E16817139015
http://www.newegg.com/Product/Produc...82E16817139011
http://www.newegg.com/Product/Produc...82E16817139022non-modular
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post #20 of 30
OP dont you think ur core 2 duo will be a bottleneck for 2 580's?
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