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  SLI 16x vs 8x? 
 
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Matt null Jun 07, 2013, 07:27am EDT Reply - Quote - Report Abuse
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Hello, new user!

I'm kind of new to the thought of SLI and I've always just stuck with one video card.

I recently and finally upgraded and got a ASRock Z77 Extreme4 + GTX670. In the future if needed, I was considering getting another GTX670 and going SLI. At the moment the card is running in 16x and I heard if I get a second, they will both run at 8x/8x. Is this a performance drop as opposed to more expensive motherboards running them at 16x/16x? in the later future would I better off buying a better single card or would I still benefit from another GTX670 with this motherboard?
Fyi I have a i5 3570k.


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G. G. Jun 07, 2013, 10:31am EDT Reply - Quote - Report Abuse
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>> Re: SLI 16x vs 8x?
The first/primary 16X slot is both physically 16X connector and Electrically 16X
The second 16X slot is physically a 16X but it is Electrically 8X

So when you run in SLI/Crossfire both cards will be running in 8X mode.

But as for performance drop ??? no... it wont be affected.

As for down the road going with a dual card setup or just get a single fastest card you can afford.?

All depends on how long down the road that will be....

if a dual card is in your near future like 6 months.. sure go for it... the second card will go down in price and you will get a good increase in performance. Down side is that your system will consume more overall power, produce more heat, and a certain amount of complexity to your system. Also, the longer you extend the dual card setup, then you get into the availability of getting the same card as your original.... Then there the supportability of an older card.

If down the road is more than a year out.... say between 1.5 ~ 2yrs.... i would go with the latest card available at the price you can most afford. The newer card will be faster, most cases will be more power efficient, and supportability.

me personally, stay with the card you have for as long as you can stand it.... me it is around 3.5~4 years.... then build a whole new system with everything new and get the most you can afford to at the time of the build.

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mothow Jun 07, 2013, 07:49pm EDT Reply - Quote - Report Abuse
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Edited: Jun 09, 2013, 06:14pm EDT

 
>> Re: SLI 16x vs 8x?
Dont worry you wont see any hits on performance

ASRock Z97 Extreme 4 / i7 4790K / Corsair H80i / 4x4GB Crucial Ballistix Smart Tracer DDR3 1600 / 1TB Western Digital Caviar Black / 240GB Mushkin Chronos Deluxe SSD / 2x Evga GTX 670 FTW 2GB in SLI / Sound Blaster Recon3D Fatal1ty / Corsair HX1000w

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