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PCI3 question

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I'm kind of new to computer internals, but I wanted to build my next system. The first question I have (and sorry if it's a dumb one) but if I get a GTX 690 graphics card, would it work with the below cpu and MB?

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

http://www.newegg.com/Product/Product.aspx?Item=N82E168...


I ask because the 690 is PCIe 3.0 and the Intel site says that the I5-2550k is a PCIe 2.0 revision. I don't even know if I'm asking the question appropriately, but does it matter that these two components are different PCIe versions?

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Motherboard Expert

Don't worry. PCIe is backwards compatible which means that you can run a 3.0 card on a 1.0 slot. Besides you check what slot you have on the motherboard not on the CPU details and as you can see your motherboard supports 3.0

Quote:
Don't worry. PCIe is backwards compatible which means that you can run a 3.0 card on a 1.0 slot. Besides you check what slot you have on the motherboard not on the CPU details and as you can see your motherboard supports 3.0


Would it be a waste to get a 690 over like a 670 or 680 then? The mobo is PCIe 3.0. If the CPU is running at 2.0 does that mean the the GPU will be slowed to PCIe 2.0?

Best solution

You only get PCIE 3.0 capabililty with Ivy Bridge CPU, doesn't matter if the motherboard is PCIE 3.0 capable or not. You need Ivy Bridge CPU, the motherboard that supports PCIE 3.0, and GPU that is PCIE 3.0 for the GPU to max out its performance.
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