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Case of 100, DUOMEIQI 4GB 2RX8 PC3L-12800S DDR3L 1600MHz SO-DIMM 204 Pin 1.35v / 1.5v CL11 Non-ECC Unbuffered Notebook Memory Laptop RAM Module Compatible with Intel AMD and Mac System at Amazon.com
Lenovo 4GB PC3-12800 DDR3L-1600MHz SODIMM Memory at Amazon.com