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Laptop RAM Memory 10GB Total (3X2GB & 1X4GB) DDR3 2xR8 PC3-10600S SO-DIMM | 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