Crucial 2GB Single DDR2 667MHz (PC2-5300) CL5 SODIMM 200-Pin Notebook Memory Module CT25664AC667 at Amazon.com
Hynix 1GB DDR2 RAM PC2-5300 200-Pin Laptop SODIMM at Amazon.com
8GB [2x4GB] DDR2-800 (PC2-6400) RAM Memory Upgrade Kit for The Dell Latitude E6400 (Genuine A-Tech Brand) at Amazon.com
Kingston Technology 2 GB Unbuffered System Specific Memory Model 2 Not a kit (Single) DDR2 667 (PC2 5300) 200-Pin SO-DIMM KTH-ZD8000B/2G at Amazon .com