Dell Precision M4400 Mobile Workstation System Guide | Dell US
how to upgrade the ram in a Dell Precision m4500 - YouTube
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