Should I get 2 sets of http://www.newegg.com/Product/Product.aspx?Item=N82E16820146673
or 1 set of http://www.newegg.com/Product/Product.aspx?Item=N82E16820231184
on my k9a2 plat mobo
or 1 set of http://www.newegg.com/Product/Product.aspx?Item=N82E16820231184
on my k9a2 plat mobo