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DG House

SLI output from then 2nd card on a 8x pin

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Posted · Original PosterOP

Hey community

 

i have 2 gtx 1080s sli, the first is on a PCI-e 16x and the other on a PCI-e 8x

will there be issus or less performence when i output from the gtx theres is in a PCI-e 8x ?

( i cant switch them due to space restriction)

 

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Yes, you will loose performance if using the x8 slot. Since you have half the lanes of the x16. But is your mobo SLI compatible??? And do you have unused x16 slots. Since you mentioned something about space restrictions?

 

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But since its a SLI Mobo, it has two x16 slots. As stated in the specs of the board. So performance won't be an issue. Should run fine ;)

 

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8x should be virtually no performance drop. Whether using your video output from there matters at all, I don't expect it to do so, but I'm not sure. :)


PC SPECS: CPU: Intel Core i7 3770k @4.4GHz - Mobo: Asrock Extreme 4 (Z77) - GPU: MSI GeForce GTX 680 Twin Frozr 2GB - RAM: Crucial Ballistix 2x4GB (8GB) 1600MHz CL8 + 1x8GB - Storage: SSD: Sandisk Extreme II 120GB. HDD: Seagate Barracuda 1TB - PSU: be quiet! Pure Power L8 630W semi modular  - Case: Corsair Obsidian 450D  - OS: Windows 7

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5 minutes ago, DG House said:

yes is see it on the specs, but when i look physical at the mobo, the second slot has only half the Pins

and on the specs sheet from asrock there is a bit confusion

https://www.asrock.com/mb/AMD/X470 Master SLI/index.asp#Specification

 

i maybe have a basic falls knowledge about that

Ah i see what you mean. I see the halved pins you were talking about. But as @TomvanWijnensaid, it won't be noticeable. 

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Posted · Original PosterOP

ok i will give it a try with benchmarks, i let you know tommorow ^^

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