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G.Skill 8GB DDR3 PC3-17000 2133MHz RipjawsX Series for Intel Z68/P67 (11-11-11-30) Dual Channel kit at Amazon.com
Kimtigo DDR4 2666 8G Laptop Dram 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook 1Rx8 Single Rank 260 Pin SODIMM Laptop PC Computer Memory RAM(8GB) at Amazon.com
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