Whats a good Double-Layer DVD Burner to burn back up copies of 360 games?

Out of these two what one would be better?

http://www.bestbuy.com/site/Asus+-+8x+External+Double-Layer+DVD%26%23177%3BRW/CD -RW+Drive/9361497.p?id=1218091194134&skuId=9361497&st=External%20Double-Layer%20 DVD%20Burner&contract_desc=null

or

http://www.bestbuy.com/site/Toshiba+-+8x+External+Portable+USB+2.0+Double-Layer+ DVD%26%23177%3BRW/CD-RW+Drive/9385024.p?id=1218096180393&skuId=9385024&st=Extern al%20Double-Layer%20DVD%20Burner&contract_desc=null?