Where to get a video graphics card for the sims 3

That game requires a 128MB video card minimum. Most any video card will suffice. You could get a budget card, such as the Geforce 8400 or Radeon 3450. If you wanted to put a little more into it, a Radeon 4650 or 4670 would do nicely.

List your computer specs including the power supply or brand name and model #.

What is your budget and what resolution do you play at?