I have that set, cas 5 1333 not likely to happen.....I have them on the MSI because that board adheres to jedec and these apparently run better undervolted lower voltage than the gigabyte allows ( sensitive to heat ).....Check out the MSI thread for clocks I have a achieved with them.....6-6-6 1333 is cake as well as 7-7-7 1600.......I have had them well over 1400 6-6-6 and 1650 7-7-7...
The only sticks I know that will pull 5-5-5 are either a very very good set of high volt D9 GTR ( which I personally hate ) or elpidas hypers ( which I am in the process of aquiring ) that can do it at far more reasonable voltage...