How to run different card at a same time

[junaid_007]

i am using asus rampage 2 gene motherboard and i have ati 4890 card i am wondering can i later use direct x 11 ati card together with the 4890 card

 

[rawirig]

no, you will need one of the unreleased hd5800 graphics cards to use the DX11 API

 

[outlw6669]

Welcome to the forums!

It really depends on what you want to do with it.
You will NOT be able to CrossFire it with a 5xxx series card.
You should be able to use it independently for more monitor outputs.