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
Solved: Upgrading RAM in E5540 - Dell Community
Memory RAM Upgrade for Dell Latitude E5440 4GB/8GB DDR3 SODIMM | eBay