8GB DDR4-2666 (PC4-21300) SODIMM SR x8 Memory RAM for HP EliteBook 840 G3
Refurbished: HP Elitebook 840 G3 14'' Business Laptop, Intel i5-6300U Professor, 2.3GHz, 16GB DDR4 RAM, 256GB SSD, FHD (1920 x 1080) resolution, Wi-Fi, Bluetooth, For Home, Education, Gaming, Windows 10 Pro Laptops /
HP EliteBook 840 G3 - 6th Gen. Intel Core i5 - 500GB HDD - 8GB RAM - 4 – SHOPINVERSE
HP EliteBook 840 G3 8GB DDR4 2400MHz SO-DIMM Laptop RAM in Pakistan – Laptop Spares
Amazon.com: HP EliteBook 840 G3 - 14” FHD, Intel Core i5-6300U 2.4Ghz, 8GB DDR4, 256GB SSD, Bluetooth 4.2, Windows 10 64 (Renewed) : Electronics
HP EliteBook 840 G3 Intel Core i7-6600U 2.60GHz 8GB RAM 256GB SSD Windows 10 Pro | eBay
HP EliteBook 840 G3 Core I5-6300U 2.4GHz SSD 180Gb RAM 8Gb with HP dock station [Y1Y02US#ABA] - $599.00 : Professional Multi Monitor Workstations, Graphics Card Experts
HP EliteBook 840 G3 Business Laptop, Intel Core i7-6th Generation CPU, 16GB RAM, 256GB SSD, 14 inch Touchscreen, Windows 10
How to Tear Down & Upgrade an HP EliteBook 840/850 G3 Laptop RAM & SSD - YouTube