11200503 - Lenovo 4GB DDR3-1600MHz PC3-12800 non-ECC Unbuffered CL11 204-Pin SoDimm Dual Rank Memory Module for M490s Notebook
http://mytechseller.com/shop/11200503-11200503-lenovo-4gb-ddr3-1600mhz-pc3-12800-non-ecc-unbuffered-cl11-204-pin-sodimm-dual-rank-memory-module-for-m490s-notebook-8478
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11200503 - Lenovo 4GB DDR3-1600MHz PC3-12800 non-ECC Unbuffered CL11 204-Pin SoDimm Dual Rank Memory Module for M490s Notebook
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