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What speed will PCI-E run at?

post #1 of 11
Thread Starter 
Guys

http://www.gigabyte.com/products/pro...px?pid=3761#sp

This board, what will the PCI-E speed be with 2 GTX570's in there?

I think it's x8 x8 and someone else thinks it's x16 x16 and the description isn't exactly simple. Either that or i'm tired.

Thanks

Comps
post #2 of 11
First two PCI-E slots will run it at a x16 Bandwith.
The others to follow will share a x8 Bandwith.

So if you are using two video cards it will run at x16 bandwith.
If you are using more then two it will be x8

I'm pretty sure that's what it's telling me here.
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post #3 of 11
iSin is right as far as I can see
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post #4 of 11
Yeah I think isin is right. You would have to look at your motherboard book to be sure which is which but so long as you put the cards in the 2x 16 slots it should run in x16 bandwidth. However should you put one in a x8 slot both will run in x8 but you would probably never notice a difference.
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post #5 of 11
Thread Starter 
Ahhhh I missread

You have PCIX16_1 and PCIX16_2 but each of them has another port which is shared
post #6 of 11
Quote:
Originally Posted by compuman145 View Post
Ahhhh I missread

You have PCIX16_1 and PCIX16_2 but each of them has another port which is shared
Yep, so you're fine running at x16/x16 until you put something in one of the x8 slots, as that halves the PCIX16_1 or PCIX16_2 slot it is associated with
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post #7 of 11
First 2 slots @ 16x, second two @ 8x. However, if the third slot (PCIx8_1) is populated, it will share bandwidth with PCIX16_2 and both will run @ 8x.
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post #8 of 11
You guys always word it so much better then me ;P
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post #9 of 11
You can just look at the PCI-E slots and see how far down the pins go. looks like 16/8/16/8
post #10 of 11
32gb/s and 64gb/s 8x or 16x Pci-E 2.0
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