so i have one 4gb stick in my pc
http://www.newegg.com/Product/Product.aspx?Item=N82E16820233132
and i want to add another 4gb but dont want to spend that much, so if i get this one (http://www.newegg.com/Product/Product.aspx?Item=N82E16820231310) that is cheaper will they still work together? i noticed that the voltages match but i'm not really sure
http://www.newegg.com/Product/Product.aspx?Item=N82E16820233132
and i want to add another 4gb but dont want to spend that much, so if i get this one (http://www.newegg.com/Product/Product.aspx?Item=N82E16820231310) that is cheaper will they still work together? i noticed that the voltages match but i'm not really sure