8GB (2X4GB) Memory PC2-6400 800Mhz DDR2 SODIMM RAM for Dell Latitude E6400 at Amazon.com
DDR2 2G Large Capacity Computer Memory , Portable 2G 800MHZ 200Pin Durable Fully Compatible Memory, RAM 200Pin PC2-6400 800MHZ High Frequency Memory Bank for Laptop Notebook at Amazon.com