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Sune
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Reged: 09/21/03
Posts: 5636
Loc: Lagoa Santa, Brasil
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Re: SLI and expansion cards
12/25/18 06:57 AM


> If I decide to get a USB 3.1 expansion card, which requires a
> x4 slot, and drop it into the last full-sized PCIe slot with nothing else (other than
> my video card in the 1st one), will it a) WORK, and B) drop my video card down to x8?
> Will dropping my video card down to 8 lanes bottleneck the performance?
>
> This stuff is confusing.

It varies from motherboard to motherboard. If I remember correctly, on mine there is only one other slot that shares lanes with the first slot. I don't think it's the last one. There's also a BIOS setting that forces a particular slot to use less lanes.

Your motherboard manual should have an overview of how the lanes are divided between slots.

S







Entire thread
Subject Posted by Posted on
* SLI and expansion cards URherenow 12/25/18 05:33 AM
. * Re: SLI and expansion cards R. Belmont  12/30/18 04:10 PM
. * Re: SLI and expansion cards Sune  12/25/18 06:57 AM
. * Re: SLI and expansion cards URherenow  12/26/18 08:53 AM
. * Re: SLI and expansion cards Sune  12/26/18 06:09 PM
. * Re: SLI and expansion cards URherenow  12/31/18 05:44 AM
. * Re: SLI and expansion cards Sune  12/31/18 11:01 AM
. * Re: SLI and expansion cards URherenow  01/01/19 04:01 AM

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