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 PC3-12800 16 GB DIMM 1600 MHz DDR3 SDRAM Memory (KHX1600C9D3K4/16GX) for sale online | eBay