I have an i5 4690k with 16 gigs of DDR3 ram (4 sticks of Hyper x fury ram two are 1600mhz KHS1600C10D3/4G and two are 1866 mhz KHS1866C10D3/4G) although a bit mismatched this ram works at 1600 mhz seemingly ok. Will 2 sticks of 8 gb 2400mhz CL 11 DDR3 ram improve gaming performance? I'm looking at used "DDR3 2400MHz G.Skill Ripjaws DIMM Overclock Gaming Memory" on ebay. Unfortunately they do not list a part number but I think it would work. Any estimates of FPS increase or any other info would be appreciated.