Amazon.com: HP Elitebook 840 G3 Business Laptop Computer: 14 FHD/ Intel Core i7-6600U up to 3.4GHz/ 16GB DDR4 RAM/ 256GB SSD/ 802.11ac WiFi/ Bluetooth 4.2/ USB Type-C/ Windows 10 Professional (Renewed) : Electronics
Total Micro Hard Drive, HP EliteBook 840 G6, 850 G6 - 512GB M.2 SSD - L62762-001-TM - -
elitebook 840 g2 m.2 ssd size and compatible cards - HP Support Community - 5117937
Solved: Adding M.2 SSD to EliteBook 850 G2 (J8R65EA) - HP Support Community - 5920770
Genuine SSD Drive for HP Elitebook 840 G6 M2 SATA-3 OPAL2 TLC 256GB SSD Card L63373-001 : Electronics