should I get a SAPPHIRE or MSI Twin frzr gaming edition for a R9 270?
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202090
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127769
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202090
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127769