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What is the difference between pci express 2 0 and pci express conforming to pci

Last response: in Graphics & Displays
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I went to the shop and asked for a motherboard that will support my PCi Express 2.0 graphics card. They sold me a board that has 1 x pci express x16 slot that conforms to pci express 2.0 standards. Does this mean that my graphics card will run on this motherboard, but only at half the performance it really can or does it really run at pci express 2.0 rates?

Thanks
Mauritz

More about : difference pci express pci express conforming pci

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Graphics card Authority
Motherboard Authority

I suggest you remove your e-mail, it's not a good idea to post it where everyone has public access to it. :??: 

Otherwise, if the PCI-e slot conforms to PCI-e 2.0 standards, it should provide the full bandwidth of a PCI-e 2.0 slot and you shouuldn't have any problems.
Graphics card Expert
Motherboard Expert

PCI-E 2.0 graphics cards are backwards compatible with older PCI-E 1.0 slots. PCI-E 1.0 cards could also be used on PCI-E 2.0 boards.

Performance wise, probably only a 5870 or 480 would max out even the PCI-E 1.0 x16 slot. There were tests before and even an 8800GTX couldn't really max out the PCI-E 1.0 slot (as there was no gain seen when moving to a PCI-E 2.0 x16 slot).
Graphics card Expert
Motherboard Expert

mauritzdt said:
Thank you very much. So I take it that purchasing a board that has a pci express 2.0 slot will not be any better than the board I've got?


Most likely it wouldn't make a difference. You're probably better off buying a better graphics card or processor.
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