Dell Latitude E6400 RAM Replacement - iFixit Repair Guide
Dell Latitude E6400 | Memory Replacement | How-To-Tutorial - YouTube
Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)
A-Tech 1GB RAM for Dell Latitude E6500, E6400, E5500, E5400 Laptop | DDR2 800 MHz SODIMM PC2-6400 Memory Upgrade at Amazon.com
Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)
2GB Memory Upgrade for Dell Latitude E6400 ATG DDR2 PC2-6400 800MHz 200 pin SODIMM RAM (PARTS-QUICK Brand) 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