Corsair cmx4gx3m2a1600c9 xms3 4gb 2x2gb ddr3 1600 mhz cl9 performance desktop memory kit
4gb memory kit 2 x 2gb for use with dual channel ddr3 intel core i5 and core i7 processors 1600mhz latency of 9 9 9 24 for maximum reliability and performance intel xmp extreme memory profile support xms heat spreader