What are the differences between these three sticks of ram and which one should i get?
http://www.newegg.com/Product/Product.aspx?Item=N82E16820134790
http://www.newegg.com/Product/Product.aspx?Item=N82E16820134812
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231395
http://www.newegg.com/Product/Product.aspx?Item=N82E16820134790
http://www.newegg.com/Product/Product.aspx?Item=N82E16820134812
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231395