Forum Thread

Do SLi Video Cards Really Need 32 PCIe Lanes?

814 134 April 5, 2018 at 03:26 PM
Currently running an X58 board with SLI video cards. With Intel not patching the 1st gen socket-1366 CPUs (Bloomfield), I'm now in the market for a new CPU / MB combo. Looking at maximizing performance without paying too much. Looking to game with minor Handbreak tasks.

Moving to a modern platform with > 32 PCIe lanes for the PCIe X16 slots is a lot more money (X99, X299, X399, etc.) for both the processors and the motherboards.

Anyone running SLI on X370 or Z370 boards wish they went with 32+ PCIe lanes? Confused

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Joined Jul 2005
killroy was here
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#2
linus tech tips did a video on this i think. or maybe it was part of his i9 rant. with the current GPUs out there it doesn't matter. with 3 1080s in SLI using 24 lanes or 40 doesn't make a real world difference.

https://www.pugetsystems.com/labs...ring-1030/
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#3
I wouldn't recommend upgrading just because of intel not offering microcode updates for Spectre. You still have OS updates which provide a good amount of protection but not 100%. It's a big issue but more of an issue if you are running VM's with sensitive data. That being said your probably due for an upgrade anyways.
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Vague questions receive vague answers . . . . . .
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#4
Thank you for the feedback folks.

I agree, my current platform is old. Still, I can play DooM 2016 near 60 FPS @ 4K. This tells me even an old i7-920, OCed to 4 GHz, is still plenty good enough. Intel screwed themselves for making good processors years ago.

The 'conspiracy theorist' in me tells me Intel is using this as a 'nuclear' option to sell more computers. Mad
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Last edited by TrevorK April 6, 2018 at 10:55 AM.
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