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PCI Express 3.0 question!

I recently built a new PC, and was looking around for a graphics card. I was looking at either a GTX 760 or an R9 280 everyone i've asked between the two has a 50/50 opinion on those 2 but that's besides the point.
But I noticed the http://www.msi.com/product/vga/R9_280_GAMING_3G.html#hero-specification has a PCIe 3.0 interface, and my motherboard http://www.gigabyte.com/products/product-page.aspx?pid=4717#sp only supports a PCIe 2.0 standard.
Is getting that MSI R9 280 out of the question?.. or would it it be limited to severly(if i can even use it on my mobo)?
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  1. Best answer
    The PCIE 3.0 is backwards compatibility with previous version. The gpu will simply run at PCIE 2.0. There isn't a noticeable difference between the two on a single gpu yet.
    The R9 280 or GTX 760 will work fine with that motherboard.
  2. Thanks for the quick answer.. i'm leaning towards the R9 280 becuause its bout $20-30 cheaper with the newegg sale atm.
  3. What Suzterra said above. Either card will simply run at PCIe 2.0 bandwidth. This definitely isn't a problem, as even the faster cards out there can't even full saturate half of a full PCIe 2.0 slot :)

    At the same price or cheaper, I would have to give the edge to the R9 280. It has more VRAM, and performs similarly, if not a tad better than the 760.
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