does the Intel sandy bridge 3820 I7 CPU support PCI-3

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Gisbsonsg

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Aug 4, 2015
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HI, I have a Gigabyte X79s-UP5 Motherboard and a Sandy Bridge 3820 CPU running 32gb Corsair 2133mhz Memory Win7Pro and a Seagate 1 Tb Hybrid HDD, all parts were bought at the same time, my new video card is an Asus Gtx970 4Gb. The Asus software is saying the card is running at PCI-E 2, I have read that the Intel 3820 does not support PCI-E 3 is this true and if so do you have any recommendations for a reasonably priced Intel CPU socket 2011 as I built this system for games and would like to get the most out of my new Graphics card that took ages to save for.

Kind Regards,
John Roberts.
Melbourne, Australia.
 
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Chayan4400

Chayan4400

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Apr 12, 2015
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No worries, even if the i7 you have is PCI-E 2.0 only, current gen GPUs do not benefit from PCI-E 3.0, since they are yet to saturate PCI-E 2.0.

Source: https://www.pugetsystems.com/labs/articles/Impact-of-PCI-E-Speed-on-Gaming-Performance-518/

I'm guessing that if even the Titan can't fully saturate PCI-E 2.0, then you are quite safe with the GTX 970, and will see no performance gain even if you do upgrade, so save some money and stick with your current hardware :).
 
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jfizzle4321

jfizzle4321

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Feb 17, 2012
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I have an i73820 with 2 gtx 680s on an asus rampage extreme 4 motherboard, both in PCI Express 3.0. According to some the i73820 was never officially certified for pci-e 3.0. Of that socket-size, it's the only chip that had this issue. However, if you call intel, some will tell you that it does work while others will tell you otherwise. I have been using the 3820 with gaming and have not run into a single issue. I actually did not realize the issue you brought up until right now. Unofficially, it supports 3.0. Officially, it does not. Here, read this forum: http://forums.evga.com/i73820-NOT-PCIe-30-Ready-m1654059.aspx
 
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