need information about sound cards

[bwroush]

Which sound card works best with my PN5-E-SLI mother board running windows 7 ultimate

 

[ThatVietGuy]

http://www.newegg.com/Product/Product.aspx?Item=N82E16829132014

Without knowing a budget or preferences or any other form of BASIC information you're not going to get a good answer.