Would it be safe to use these 2 sets together.
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231416 and
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145345
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231416 and
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145345