15^10 =~ 524GB (Just over half a Terabyte)
Though gonna make a guess that you actually want a list of Hex passwords, Hex is base16 (you missed g and 0).
16^10 =~ 1000GB (One Terabyte)
More on wordlist sizes here:
http://forums.remote-exploit.org/showthread.php?t=21214
http://forums.remote-exploit.org/sho...0829#post50829



