SLI and Dual MonitersFollow

How does it work?

I've been out of the computer gig way too long, but I want to build a new Game / CAD Station for my house. I'm looking into SLI, but I'm not sure how it would work with a dual moniter setup. Is it any different from one video card (I.E. You plug both moniters into one card).

If there's a guide out there to explain how this works, that'd be great. Thanks

SLI and dual monitors are not really related.

Dual monitors is just that, two monitors. Typically you can only get 3d hardware acceleration on one of the monitors without two video cards or one really expensive one.

SLI technology uses two nVidia cards to draw to a single monitor, each card being responsible for half the screen. By spending a little more on a nice motherboard you can get two cheap cards that will blow away performance of a single, top of the line card. The ATI equivalent technology is called Crossfire.

To have an SLI setup and two monitors though, you would actually need three cards.

Last I checked the drivers wouldn't support that.