Dell Latitude E5440 Laptop Computer, 2.0 GHz Intel i5 Dual Core Gen 4, 8GB DDR3 RAM, 500GB Hard Disk Drive (HDD) SATA Hard Drive, Windows 10 Home 64Bit, 14" Screen (Used) - Walmart.com
16gb (2x8gb) SODIMM Memory RAM for Dell Latitude E5440 Laptop Notebook at Amazon.com
Dell Latitude E5440 SSD RAM Upgrade - YouTube
How to Upgrade RAM and SSD in Dell Latitude E5440?/Easy to Upgrade RAM and SSD Step by Step in 10Min - YouTube
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 Core i5 4th gen 8gb ram | Shopee Philippines