Help with graphics cards and expansion slots

tom_taylor97

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I recently decided to upgrade the graphics card in my pc and wanted to get a 290x and 270x (one to run each monitor). I know it may be overkill but it was something i wanted to do. I was researching my motherboard to check the pcie slots and it said:
2 x PCIe 3.0/2.0 x16 (x16 or dual x8) *2
Does this mean that having the 270x in my system will affect the speed of my 290x? if so will it make much of a performance difference? I just wanted to know because if it does affect the 290x then i most likely will leave the 270x and run the second monitor on intel hd graphics.
Thanks
 
Solution
Yes it will affect it and possibly a couple % but your idea is not really good since the 290X will handle two monitors like nothing.

tom_taylor97

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wouldn't using the 290x for both monitors affect the performance for playing games on my main monitor? ill probably run the second monitor of intel hd graphics anyway.