how to upgrade the ram in a Dell Precision m4500 - YouTube
4GB DDR2 MEMORY MODULE FOR Dell Precision Mobile Workstation M4400 - Walmart.com
CMS 8GB (2X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Precision Mobile Workstation M4400 - A41 at Amazon.com
8GB KIT (2 x 4GB) for Dell Precision Workstation Precision M2400 Precision M4400 Precision M6300. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
8GB KIT (2 x 4GB) for Dell Precision Notebook Series Mobile Workstation M2400 Mobile Workstation M4400 Mobile Workstation M6300. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com