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FASTEST CARD FOR PCI-E X4

Guys, i have a mobo that has only ONE PCI-E X16 slot, but it runs at x4.

so which is the most powerful graphics card i can get that will fully utilize the capability of the card?

* i ask cause im currently running a shitty 7300 GT... :cry: *
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  1. PCI-E 1.0 or 2.0 because a 4x PCI-E 2.0 slot is equivalent to an 8x slot at PCI-E 1.0 speeds and wouldnt bottleneck as bad
  2. i dont know, how do i find out? do i use cpuz, gpuz, or go to the manufacturers website?
  3. i just checked the specs on newegg, it says "1 x PCI-E x16 (max. 2GB/s, x4 mode)"

    is tht any help...?
  4. A 4670 or 4770 probably wouldn't bottleneck too badly. A 9600GT would work too.
  5. xcellent, thnx.
  6. I believe i read somewhere increasing the pcie frequency from 100mhz would help relieve the bottleneck. =]
  7. If the specs you read are correct, then it's PCI-E 2.0 (4X500Gb/s):

    http://en.wikipedia.org/wiki/PCI_Express

    This is equal to PCI-E 1.0/1.1 at X8.
    That would mean any of the cards so far listed should run with no loss of performance.
    There's an article on Toms about PCI-E bandwidth use but it's for the older PCI-E 1.0/1.1 spec, I'll try to find and link to it.

    Edit, found it!
    http://www.tomshardware.co.uk/pci-express-2.0,review-30726.html

    The 9800GX2 results are quite interesting;)
  8. [This is an old thread, but Google likes it.] Those who have x4 or x8 PCIe slots but no x16 slots for video cards may wish to consider the AMD ATI Firepro 2700 x1 http://bit.ly/iJxbGZ. Worked fine in my aging Dell 2900 with dual monitors. Performance decent.
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