HP ProBook ProBook 4520s Notebook PC - wd842ea laptop specifications
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HP Laptop ProBook 4520s (WH288UT#ABA) Intel Core i3 1st Gen 350M (2.26GHz) 2GB Memory 320GB HDD Intel GMA HD 15.6" Windows 7 Professional / XP Professional downgrade - Newegg.com
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HP ProBook 4520s 15.6 inch Core i3-380M 2GB RAM 320GB HDD DVDRW W7HP Notebook Computer | 4520s