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Currently have an EVGA GTX 680 SC. Thinking of going SLI. Any warnings?

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  3. Currently have an EVGA GTX 680 SC. Thinking of going SLI. Any warnings?
2 years ago#1
I currently have this:

http://www.newegg.com/Product/Product.aspx?Item=N82E16814130769

Thinking of getting this for the price and going SLI:

http://amzn.com/B007ZT2E1C

Seems like it'll fit in my current setup:

http://i.imgur.com/lnrzf.jpg

Anything I need to know beforehand about SLI before biting the bullet? My current EVGA card is OC'd 100 Mhz. If I SLI, in order to reconfigure my overclock, can I just leave the EVGA card OCd to +100 and find a stable OC for the new Asus card?

(I also have a 750W Seasonic Gold PSU, so I think my PSU can handle it)
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CEnco De Mayo. [Proud Participant]
Epic. [1:23]
2 years ago#2
Make sure your motherboard supports SLi first.
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I5 3570k @ 4.5ghz, 12 gigs DDR3 memory, Asrock Z77 Extreme 4, 2x EVGA GTX 670 4gb SC sli, Seasonic 750w PSU, Monoprice 1440p monitor
2 years ago#3
Main warning is its likely your VRAM will become a bottleneck to your performance. Not a massive issue to most, but can be compounded by using a very high resolution or high res texture mods etc. Some newer games (BF4? ) already requiring more than 2gb of VRAM at high settings.
2 years ago#4
They have to run at the same clocks.
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3570K (4.8 GHz) | Dual-X 7970 | ASRock Z77 OC Formula | Corsair Vengeance 2x 4 GB | WD Black 1 TB | Corsair TX750 | XSPC Raystorm 750 RS240 Kit | NZXT Phantom
2 years ago#5
phy2jsh posted...
Main warning is its likely your VRAM will become a bottleneck to your performance. Not a massive issue to most, but can be compounded by using a very high resolution or high res texture mods etc. Some newer games (BF4? ) already requiring more than 2gb of VRAM at high settings.


My SLI 680's still gave me 60-74 fps on ultra at 1080p on BF4 in beta. I still call BS on those requirements.
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When I'm Miqo'te
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2 years ago#6
1080p isnt high settings. High settings is 1440p or higher. That's where VRAM becomes a major factor.
2 years ago#7
ShadowGomamon posted...
1080p isnt high settings. High settings is 1440p or higher. That's where VRAM becomes a major factor.


Ultra settings
Resolution is maxed for me
Set to "ultra settings" the only thing that matters
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When I'm Miqo'te
http://www.youtube.com/watch?v=h3LGf9SSWrU
2 years ago#8
MasterDonGero posted...
They have to run at the same clocks.


You sure?
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You can buy a $500 console and a $500 computer and have two crap machines, or you can spend $1000 building your own computer and have the best of both worlds.
2 years ago#9
Slayn posted...
MasterDonGero posted...
They have to run at the same clocks.


You sure?


I was always led to believe both cards will run at whatever the primary slot is running at. Which would mean if your primary card is OC'd heavily, your second might end up being unstable.
2 years ago#10
They never had to run at the same clocks, historically the faster card would just have to go slower to align with the slower card, and I've been reading that that's no longer even a requirement with nVidia cards.
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-What is best in life?
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  1. Boards
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  3. Currently have an EVGA GTX 680 SC. Thinking of going SLI. Any warnings?

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