No matter what.
With a 6th Gen CPU it is not possible to run memory that is faster than 2133mhz on that motherboard. It does not support it by default AND it cannot be overclocked because it is a locked board. All memory installed on that board, with that cpu, will run at only 2133mhz. With a 7th gen CPU installed, it COULD run at 2400mhz, but no faster.
If you want to use faster memory you need a different motherboard. There ARE motherboards you can run faster memory on even with a locked CPU, but that is not one of them. You would need a Z series motherboard to run at any speed that is faster than the default configuration supports.