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Lenovo ThinkPad W540 20BG - Intel Core i7 4800MQ / 2.7 GHz - vPro - Win 7 Pro 64-bit (includes Win 8 Pro 64-bit License) - Quadro K1100M - 8 GB RAM -
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8GB (1X8GB) Memory Ram Compatible with Lenovo Thinkpad W540 20GBxxx Series By CMS A8 - Computer Memory Solutions
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