This board is only compatible with AGP 8X video cards.
For full specs on this motherboard go to:
http://www.asrock.com/mb/overview.asp?Model=K7S41GX
Your options are:
Some Geforce 6 series cards (mainly the 6200 and 6600GT).
All of the Geforce FX series cards (FX5700 and FX5200).
All the Geforce 4 series cards (Geforce 4 Ti and Geforce 4 MX).
All the Geforce 3 series cards (Geforce 3 Ti 500, Geforce 3 and Geforce 3 Ti 200).
All the Geforce 2 series cards.
All the Geforce 256 series cards.
This should answer your question.
Please rate me high.
Thanks.