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Last response: in Graphics & Displays
June 22, 2009 5:21:27 AM

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:  *

More about : fastest card pci

a c 179 U Graphics card
June 22, 2009 5:24:08 AM

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
June 22, 2009 5:32:20 AM

i dont know, how do i find out? do i use cpuz, gpuz, or go to the manufacturers website?
Related resources
June 22, 2009 5:34:38 AM

i just checked the specs on newegg, it says "1 x PCI-E x16 (max. 2GB/s, x4 mode)"

is tht any help...?
a b U Graphics card
June 22, 2009 6:49:37 AM

A 4670 or 4770 probably wouldn't bottleneck too badly. A 9600GT would work too.
June 22, 2009 12:41:09 PM

xcellent, thnx.
a b U Graphics card
June 22, 2009 1:23:15 PM

I believe i read somewhere increasing the pcie frequency from 100mhz would help relieve the bottleneck. =]
a c 165 U Graphics card
June 22, 2009 1:33:44 PM

If the specs you read are correct, then it's PCI-E 2.0 (4X500Gb/s):

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!,review-30...

The 9800GX2 results are quite interesting;)

May 26, 2011 4:06:48 AM

[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 Worked fine in my aging Dell 2900 with dual monitors. Performance decent.