Summary: I could not get the computer to install the driver. Suppose to be compatable. I think it was a problem with Windows at the time. A program was using too much memory and did not find that out until later. I just decided to go with on board. The computer was for my brother.
Summary: I thought I might be upgrading from the Nvidia 8600GT being the 4670 has twice the graphic ram and about four times the stream processors. But in the end I saw little to no difference in display or frame rates.