A-Tech 16GB Kit (2x8GB) RAM for Dell Latitude E7440, E7240, E6540, E6440, E5540, E5440 Laptop | DDR3/DDR3L 1600 MHz SODIMM PC3L-12800 Memory Upgrade at Amazon.com
Dell Latitude E5440 Laptop 14" Core i5-4310U 2.0GHz 8GB RAM 500GB HDD Win 10 Pro | eBay
Dell Latitude E5440 RAM Memory Removal and Installation
Xtremeram 8gb (1x8gb) SODIMM Memory RAM for Dell Latitude E5440 Laptop Notebook at Amazon.com
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E5440 Notebook - A7 at Amazon.com
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Amazon.com: Dell Latitude E5440 Laptop - Intel Core i5-4210u 1.70GHz, 8GB DDR3 RAM, 128GB SSD, DVD, Web-Camera, Windows 10 Professional (Renewed) : Electronics
Restored Dell Latitude E5440 14" Laptop, Windows 10 Pro, Intel Core i5-4300U Processor, 8GB RAM, 500GB Hard Drive, Black (Refurbished) - Walmart.com
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E5440 Notebook - A7 at Amazon.com
Dell Latitude E5440 RAM Memory Replacement. - iFixit Repair Guide
Dell Latitude E5440 Business Laptop, Intel Core i7-4th Gen CPU, 8GB RAM, 256GB SSD, Nvidia Geforce GT 720M Graphics, 14.1 inch Display, Windows 10 Pro