G. SKILL PC3-12800 16GB DDR3 1600 MHz PC3-12800 DDR3 Memory (F3-1600C9D-16GXM) for sale online | eBay
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