Elitebook 840 G1 - M.2 SSD - HP Support Community - 5228442
Confused - Elitebook 840 G1 and the SSD m.2 slot 42mm - SAT... - HP Support Community - 5085271
HP Elitebook 840 G1 14.0 Inch High Performanc Laptop Computer, Intel i5 4300U up to 2.9GHz, 16GB Memory, 256GB SSD, USB 3.0, Bluetooth, Window 10 Professional (Renewed) : Electronics
HP EliteBook 840G1: Sometimes it's an Ultrabook, sometimes it's not • The Register