Refurbished: HP EliteBook 840 G2, 14" HD+ Laptop, Intel Core i7-5500U @ 2.40 GHz, 16GB DDR3, NEW 1TB M.2 SSD, Bluetooth, Webcam, Microsoft Windows 10 Home 64-bit - Newegg.com
Amazon.com: HP EliteBook 840 G2 14in HD Laptop Computer, Intel Core i5-5200U up to 2.70GHz, 8GB RAM, 128GB SSD, Bluetooth 4.0, WiFi, Windows 10 Professional (Renewed) : Electronics
elitebook 840 g2 m.2 ssd size and compatible cards - HP Support Community - 5117937
256GB HDD NGFF M2 2242 SATA SSD Solid State for HP Probook 430 G3 450 G2 6950509924298 | eBay
HP EliteBook 840 G2 how to disassembly to upgrade SSD, change RAM, battery - YouTube
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
Solved: Adding M.2 SSD to EliteBook 850 G2 (J8R65EA) - HP Support Community - 5920770