That video card is way too powerful for that motherboard, and you are only allowed up to 3gb of ram maximum, better for Windows XP. You'd also need a new PSU, about 650 watts.
That video card will not work to its full potential and you will have bsod problems consistently.
Best to get a video card like the GT8600 or the GT9800, that is more suited, and will run in Windows 7.
Basically, for the price you pay for that video card, you could but an i5 PC rig including a video card