Solved: hp elitebook 8440p memory upgrade issue - HP Support Community - 2783841
HP EliteBook 8440p (WL653PA) Review: HP's EliteBook 8440p is an attractive and feature-packed business laptop - Notebooks - All Purpose - PC World Australia
4gb (1x4gb) Memory RAM SODIMM for Hp Elitebook 8440p Mobile Workstation 8440w Notebook Laptop at Amazon.com
Refurbished: HP EliteBook 8440P 14” Notebook with Intel Core i7-620M 2.66GHz, 4GB RAM, 250GB HDD, DVDRW, Windows 7 Professional 64 Bit - Newegg.com