Review HP ProBook 6550b Notebook - NotebookCheck.net Reviews
HP ProBook 6550b WD703EA - Notebookcheck.net External Reviews
HP ProBook 6550b Laptop 15.6" HD Intel Core i5 M450 2.40GHZ 4GB RAM No HDD AS IS | eBay
Silver Deal: hp Probook 15.6" LED intel i5 8GB RAM 500GB HD WebCam DVD – Ahmad Computers Inc.
Open Box: HP Laptop ProBook Intel Core i5 1st Gen 460M (2.53GHz) 4GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 64-bit 6550b (WZ303UT#ABA) - Newegg.com