256GB HDD NGFF M2 2242 SATA SSD Solid State HP Elitebook 840 G1 850 G1 820 G1 Sony VAIO Pro 13 Duo 13 : Amazon.ca: Electronics
22*42mm M.2 Ssd 128gb Full 118gb Sata Iii 6gb/s Internal Hard Drive M2 Ssd Ngff For Chromebook Acer C720 For Hp Ellitbook 840 G1 - Internal Solid State Drives - AliExpress
M.2 2242 SSD for 840 G1 - HP Support Community - 6835589
How to install SSD on HP EliteBook 840 G2 - YouTube
22*42mm M.2 Ssd 128gb Full 118gb Sata Iii 6gb/s Internal Hard Drive M2 Ssd Ngff For Chromebook Acer C720 For Hp Ellitbook 840 G1 - Internal Solid State Drives - AliExpress
HP EliteBook 840G1: Sometimes it's an Ultrabook, sometimes it's not • The Register
Confused - Elitebook 840 G1 and the SSD m.2 slot 42mm - SAT... - HP Support Community - 5085271
Elitebook 840 G1 - M.2 SSD - HP Support Community - 5228442
Replace the Solid State Drive | HP EliteBook 840 G5, G6 Healthcare, 848 G4 | HP - YouTube