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PCIe 8x vs 16x nVidia 460 and SATA 6.0

Last response: in Motherboards
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August 12, 2010 4:55:55 PM

I'm looking into getting a 1156 based mobo and noticed some 'quirks' concerning SATA 6.0. It seems all the motherboards except ASUS's P7P55D-E Pro cut the PCIe 16x slot down to 8x if using SATA 6.0 or USB 3.0.

Like many, I want my next system to be somewhat 'future proof' with SATA 6.0 and USB 3.0. I don't plan on SLI'ing, so my question is, will I notice any performance drop with a nVidia 460 card running at 8x vs 16x? If so, I'll have to go with the ASUS P7P55D-E Pro. If not, I can save myself some $$$. :D 

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a c 235 V Motherboard
a b Ĉ ASUS
August 12, 2010 6:20:13 PM

In a single card setup... it is about a 8% difference, which does make a gaming difference... IMO

In a dual card setup... it is about a 4% difference, which doesn't make much of a difference... IMO

Please read this article as it explains in more details.... PCI Express And SLI Scaling: How Many Lanes Do You Need?

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August 12, 2010 6:40:14 PM

Best answer selected by JonBoy2001.
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August 12, 2010 6:40:41 PM

Awesome read! Thanks man. :D  I'll be going with the Pro board. :) 
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