G.Skill Ripjaws X Series 16 GB (2 x 8 GB) 240-Pin SDRAM (PC3-12800) DDR3 1600 CL10-10-10-30 1.50V Dual Channel Desktop Memory Model F3-12800CL10D-16GBXL at Amazon.com
Kingston Technology HyperX Genesis 10th Anniversary Series 8GB Kit (2x4GB) DDR3 1600MHz PC3-12800 CL9 DIMM XMP Memory KHX16C9X3K2/8X at Amazon.com
Kingston HyperX FURY 8GB 1600MHz DDR3 CL10 DIMM - Blue (HX316C10F/8) at Amazon.com