http://www.guru3d.com/article/geforce-g ... li-review/
There's of course another reason you might want to look into SLI, and this is a very valid point: If you like to opt triple screen gaming with NVIDIA's Surround vision option, you will need a serious amount of rendering performance. Add to that if you have beefed up your game platform with 3D Vision, well that's where this feature eats away hefty on your framerate budget, that's where a SLI setup like this actually makes a lot of sense. And for surround vision, SLI is actually a mandatory requirement.
Bare in mind, so much GPU horsepower need a very spicy PC that can keep up with them GPUs. Also do the right thing and go for a Kilowatt PSU, have a little extra always .. at all times.
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