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sli support dual monitor

Associate
Joined
24 Sep 2006
Posts
34
i currently have evga 8800 gts 320 mb grafics card running dual monitors if i bought another one would this still be supported.

plus if i bought the same grafics card but with more memory would it still be possible to sli or not

thanks
 
Associate
Joined
25 Mar 2009
Posts
1,688
Location
Leeds, UK
No when you do SLI, only the primary slot works.

I think you can still add another card to run the 3rd monitor, when not in SLI, although performance wise im not 100% sure how this works.
Either only your primary card will do all the graphics and the 2nd card will just act as another DVI/VGA port.
or
Each GPU will handle what ever monitor is attached to it.

Now if you wanted the do SLI with 3 screens, for gaming, you would need a Triplehead2go thingy ma'jig
 
Last edited:
Associate
OP
Joined
24 Sep 2006
Posts
34
sorry i just want 2 monitors not a third

my question is wether this will be fine with sli
 
Soldato
Joined
28 May 2007
Posts
16,797
No, at least last time I tried.

If you want dual screens dont use SLI.

You need to use the same cards. A 320Mb wont pair with a 640Mb GTS.
 
Associate
Joined
25 Mar 2009
Posts
1,688
Location
Leeds, UK
My bad i missread (seem to do that alot).

Although like i said if you SLI, only your primary port will work, therefore still needing a adapter.
With one card you will be fine.

Memory wise yes they chould pair but the high memoery one will run as the same as the lower memory version.

Edit: You did imply that you already had 2 and wanted to add another..
 
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