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Graphic Card Speed question

post #1 of 5
Thread Starter 
I was wondering i have the ati radeon hd 5770 now, as long as i put that into a pci-e express 2.0 spot it will run at x16, cause i saw something about it might go to x8. Also when i upgrade my card to either a 570 or 580 same thing goes/ if it fits its running at x16?
thanks
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post #2 of 5
I'm not sure what your actually trying to ask, but PCIE are all the same looking, what determines the speed is the board itself. In the case of your motherboard, If you use the 1st and 3rd PCIE slots, the HD 5770 will run in x16 mode, if you use the 2nd PCIE, or use slots 2 and 3 together your card will run in 8x mode.
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post #3 of 5
Thread Starter 
oh ok, so even if it fits it might not be running at x16. anyway to check with gpu-z?
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post #4 of 5
Thread Starter 
this is gpu-z

Edited by thrgk - 1/25/11 at 8:33am
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post #5 of 5
unplug the VGA card,i have once the 4870 didn't install well
and GPU-Z show PCI-E 2.0@8x
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