How to Install M.2 SSD & Hard drive Combo in HP EliteBook 840 G1/How to install M.2 ssd and hdd - YouTube
HP EliteBook 840 G2 i5-5200U 8GB New hard drive 240GB SSD 1366x768 Class A Not included | Laptops \ Brand \ HP Laptops \ Processor \ Intel Core i5 Laptops \ Screen
elitebook 840 g2 m.2 ssd size and compatible cards - HP Support Community - 5117937
elitebook 840 g2 m.2 ssd size and compatible cards - HP Support Community - 5117937
elitebook 840 g2 m.2 ssd size and compatible cards - HP Support Community - 5117937
HP EliteBook 840 G2 how to disassembly to upgrade SSD, change RAM, battery - YouTube