Dell Latitude E6400 Hard Drive and Ram Upgrade - YouTube
8GB 2x4GB PC2-6400 800Mhz DDR2 SODimm Memory for Dell Latitude E6400 E6500 at Amazon.com
Dell XFR Latitude E6400 Intel Core2 Duo 2.53GHz 4G Ram Laptop {Intel V – Securis
Dell XFR Latitude E6400 Intel Core2 Duo 2.53GHz 4G Ram Laptop {Intel V – Securis
Dell Latitude E6400 RAM Replacement - iFixit Repair Guide
Dell Latitude E6400 RAM Replacement - iFixit Repair Guide
A-Tech 8GB Kit (2x4GB) RAM for Dell Latitude E6500, E6400, E5500, E5400 Laptop | DDR2 800 MHz SODIMM PC2-6400 Memory Upgrade at Amazon.com
CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E6400, E6400 Atg, E6400 Xfr - A42 at Amazon.com
8GB 2X4GB Memory RAM for Dell Latitude E6400 XFR 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
CMS 2GB (1X2GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Compatible with Dell Latitude E6400, E6400 Atg, E6400 Xfr - A40 - Walmart.com
8GB 2X4GB Memory RAM for Dell Latitude E6400 XFR 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com