Currently running this Corsair 1866Mhz set: http://www.corsair.com/en-eu/vengeance-pro-series-16gb-2-x-8gb-ddr3-dram-1866mhz-c9-memory-kit-cmy16gx3m2a1866c9

 

 

 

So something similar would be ideal.

 

 

 

2x8GB would be preferred.