Corsair CAS comparison

[Zilveari]

How much of a difference will I see between:

http://www.newegg.com/Product/Product.asp?Item=N82E16820145590

and

http://www.newegg.com/Product/Product.asp?Item=N82E16820145034


As far as gaming, and multi-tasking goes? It'll be with a 6600 conroe+pb5-E board+7950 512MB.