Aurora-R6, which GTX 1070 do I add to SLI?

This should answer your question--

http://www.nvidia.com/content/geforce-gtx/GTX_1070_User_Guide.pdf

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@Drenmonster wrote:

Hello,

I am trying to find out which version of the GTX 1070 I can add in order to SLI with the existing GTX 1070 8GB in my desktop.

Any help would be greatly appreciated.

Thanks in advance.

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Pretty sure you match the old one as close as you can. I think this is a clone of what you have now. 

MSI Aero GTX-1070 8gb

https://us.msi.com/Graphics-card/GeForce-GTX-1070-AERO-8G.html

Stick to the original Reference Design (like Founders-Edition). A helpful user here did report back that the new "1 inch taller-cards" do not fit. Remember your Nvidia HB-Bridge.

As it says on the MotherBoard, the PCIe slots are only x8-v2.0. A design limitation the Aliens made for SLI support on Aurora-R6. The cards themselves should be x16-v3.0 max. though.

This config requires optional Dell-OEM 850w Modular PowerSupply.