Enough Power for GT 520?

Yes it should support the extra 520. However, it's a bad card, you shouldn't expect it to perform good in gaming. Since you only want it to let you run the third monitor, no problem.

A single 570 would not run 3 monitor setup. If you want something like that, take a look at the 7870 or the 660 Ti.
 

jcarbelbide

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I was going to use the SoftTH software to run three monitors on supported games like Team Fortress 2, Fallout 3, or Skyrim. SoftTH doesn't require cards to be in SLI, like surround does.

So one questioned answered. Thanks a bunch!

But the second question. Will my single GTX 570 be sufficient to run non demanding games like TF2, Fallout 3, or maybe even Skyrim with 25-30 fps?
 
That power supply should be able to pull it, but its going to suck in gaming.

Yet you just want to run another monitor, which it should work just fine for. I'm interested to see how this software works, but I have a 6950, which powers 3 monitors natively.

You could just get a card that supports Eyefinity, which runs 3 monitors built in.
 

jcarbelbide

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Yeah I know I probably should have gone with AMD if I wanted to do 3 monitors. SoftTH seems to do the job for now until I upgrade to a 600 or 700 series later. The 570 is going to do all of the processing. The GT 520 is just for the extra DVI slot.

But my second question remains unanswered:

Will my single GTX 570 be sufficient to run non demanding games like TF2, Fallout 3, or maybe even Skyrim with 25-30 fps?

 

jcarbelbide

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Wait just to confirm, did you mean with 5760 x 1080 resolution? I didnt state my question correctly. Here is what I meant:

Will my single GTX 570 be sufficient to run non demanding games like TF2, Fallout 3, or maybe even Skyrim on 5760 x 1080 resolution with 25-30 fps?