Amazon.com: HP EliteBook 840 G3 Business Laptop: 14", Intel Core i5-6300U, 256GB SSD, 16GB DDR4, Fingerprint Reader, Backlit Keyboard, Windows 10 Professional 64 bit : Electronics
HP EliteBook 840 G3 / M.2 SSD Upgrade / SSD Installation / SS COMPUTERS - YouTube
how to install an m.2 ssd into a laptop | HP EliteBook 840 G3 - YouTube
HP - Solid state drive - 512 GB - internal - M.2 - SATA 6Gb/s - for EliteBook 820 G3, 830 G5, 840 G3, 850 G3, 850 G5; ProBook 64X G2, 65X G2; ZBook 15 G3 - Hunt Office Ireland
Refurbished: HP EliteBook 840 G3 14" Laptop, Intel i5 6300U 2.4GHz, 16GB DDR4 RAM, 256GB M.2 SSD Hard Drive, USB Type C, Webcam, Windows 10 - Grade B - Newegg.ca