CUDA card

[d6bmg]

Oh in that case get whatever card is cheapest on the planet.

 

You can pick up 9800 for $40 on eBay and if you want silent try the GeForce 520

 

And luckily OP have a 9800GTX+ already. So those $40 is saved till he decides to buy a new card. (again, avoid 6xx cards)