i cant figure out the diffrence between these 2 setes
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145187
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145188
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145187
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145188