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)
8GB [2x4GB] DDR2-800 (PC2-6400) RAM Memory Upgrade Kit for The Dell Latitude E6400 (Genuine A-Tech Brand) at Amazon.com
Dell Latitude E6400 Laptop, 14.1" Display, Intel Core 2 Duo Processor, – TekRefurbs
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Buy Dell Latitude E6400 Laptop Motherboard TN137
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
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OFFTEK 2GB Replacement Memory RAM Upgrade for Dell Latitude E6400 (DDR2-6400) Laptop Memory at Amazon.com
Dell Latitude E6400 RAM Memory Removal and Installation
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
How to upgrade DELL Latitude E6400, E6500 or E6510 memory (RAM) - YouTube