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MMoment 8GB DDR4 2666MHz SODIMM (PC4-21300) 1.2V CL 19 Non-ECC Unbuffered 260 Pin (2Rx8/Dual Rank Base on 1Gx8) Notebook Laptop Memory Upgrade Module at Amazon.com
ADATA 8GB Premier DDR4 2666 260-Pin SO-DIMM Memory at Amazon.com