Dell Latitude E6400 Hard Drive and Ram Upgrade - YouTube
Refurbished: Dell Latitude E6400 14” Notebook with Intel Core 2 Duo 2.40Ghz, 4GB RAM, 160GB HDD, DVDROM, Windows 7 Professional 64 Bit - Newegg.com
Dell Latitude E6400 RAM Replacement - iFixit Repair Guide
Amazon.in: Buy 2 GB Dell New Certified Memory RAM Upgrade for Dell Latitude E6400 XFR Laptop SNPTX760C/2G A2578600 Online at Low Prices in India | Dell Reviews & Ratings
Dell Latitude E6400 review: Dell Latitude E6400 - CNET
8GB 2X4GB Memory RAM for Dell Latitude E6400 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com