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Ram memory 4GB (1 x 4GB) DDR3 PC3-12800,1600MHz, 204 PIN SODIMM for laptops at Amazon.com
TEAMGROUP Elite DDR3L 16GB Kit (2 x 8GB) 1600MHz PC3-12800 CL11 Unbuffered Non-ECC 1.35V SODIMM 204-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED3L16G1600C11DC-S01 at Amazon.com
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