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
F3-2133C10D-16GXM - G.SKILL International Enterprise Co., Ltd.
G.SKILL RipjawsX F3-2133C10D-16GXM 16GB (2 x 8GB) 240-pin DDR3 2133MHz Desktop Memory Model at Amazon.com
32GB G.Skill DDR3 PC3-17000 2133MHz Ares Series Low Profile (11-13-13-31) Red Quad Channel kit 4x8GB