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G. SKILL 16 GB UDIMM 1600 MHz PC3-10600 DDR3 SDRAM Memory (F3-1600C11D-16GNT) 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
G.SKILL Ares Series 16GB (2 x 8GB) DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-16GAR Desktop Memory - Newegg.com