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legend_jo

2 Lanes, Half The Speed?

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I"m looking at the MSI P45 Platinum, and noticed that it states:

 

"When using two PCIE x16 slots, the PCIE x16 lanes will auto arrange from x16/x0 to x8/x8"

 

Will this be a servere bottleneck?

When using one video card?

When using 2 Video cards in crossfire?

 

 

Here is the board on newegg:

http://www.newegg.com/Product/Product.aspx...N82E16813130179

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One video card shouldn't be an issue. Two might be slightly affected...but, I doubt most cards can saturate x8 (the performance drop is there, however, not enough to make a noticeable difference).

 

Which video cards? If you're planning on crossfire, I would just get a X48 motherboard.

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I'm not sure about the auto-arranging configuration...but, usually you can modify these within BIOS or with jumpers.

 

I'd leave it on x16 if you can. :)

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PCI-E v2 doubles the bandwidth, so 8 v2 lanes won't slow you down at all

 

3.0, which should be coming in 2010, will double that number once again :)

Edited by Zertz

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even full bandwidth wont increase performance much anyways- kinda like the ole agp days. more is better of course, but not by much :thumbs-up:

 

so no, not likely a severe bottleneck.

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