500GB 2.5" Laptop Hard Drive for Lenovo ThinkPad Edge E50 E330 E335 E420 E425
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Lenovo E50-70 Intel Core i3-4005U 1.7GHz 4GB DDR3L 500GB 5400RPM HDD 15.6 HD Anti-Glare Windows 8.1 Professional 64-Bit Notebook - Wootware
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HOW TO DISASSEMBLE AND REPLACE LENOVO E50-70 (20471, 80JA) - YouTube