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A-Tech 8GB Module for HP EliteBook 8540w Mobile Workstation (Quad Core Processors) Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS266664B12351X1) at Amazon.com
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HP Elitebook 8540w - Notebookcheck.net External Reviews
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CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540W Mobile Workstation - A13 at Amazon.com
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