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Will a soundcard reduce my pci-e x16 to x8

post #1 of 7
Thread Starter 
I was wondering if I add a soundcard to my rig on the pci-16. Will it will downgrade my crossfired videocards from x16 speed to x8 speed, if I use the third pci slot? Or is that only if I installed a third videocard to the third pci-e 16 slot???
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post #2 of 7
No. Reduction on a gfx adapter only.
 
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post #3 of 7
your CF cards are already running at 8x, because there are two cards connected to it.

correct me if im wrong please.
post #4 of 7
Quote:
Originally Posted by Cryolite View Post
your CF cards are already running at 8x, because there are two cards connected to it.

correct me if im wrong please.
OP's motherboard supports dual x16.
post #5 of 7
Thread Starter 
From Newegg it says"(dual x16 or x16, x8, x8)" So yes they are both at a x16 speed. But I wasn't sure about adding a pci-e soundcard to my board if it would downgrade to the (x16,x8,x8) setting
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post #6 of 7
hmm...I never thought of this. If a board supports 2x16 lanes but drops lower once a card is added to the third slot...will a non-GPU cause it to drop? I think it would need to be tested if there is no documentation on it.

Or wait...my situation can test this I think. My board drops to 2x8 in SLI or Crossfire. I am actually runnign two cards but one is only an old x600 so I can have a third monitor. Since the GPUs are not connected my 580 is still running at 16x. The sound card should be the same way since it won't have anything to do with the other GPU(s)
Edited by Vagrant Storm - 10/23/11 at 9:42am
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post #7 of 7
Thread Starter 
Quote:
Originally Posted by Blindrage606 View Post
No. Reduction on a gfx adapter only.
Thank you very much. My other pci slot if covered by my videocards so I need to use my third pci-e slot
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The Money Pit
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