HP EliteBook 840 G1 14" Laptop, Core i5-4300U 1.9GHz, 8GB Ram, 180GB SSD, Windows 10 Pro 64bit (used) - Walmart.com
Amazon.com: HP Elitebook 840 G1 14in HD LED-backlit Anti-glare Laptop Computer, Intel Dual-Core i5-4300U up to 2.9GHz, 8GB RAM, 256GB SSD, USB 3.0, Bluetooth, Window 10 Professional (Renewed) : Electronics
Refurbished: HP Elitebook 840 G1 Laptop 14" Display, Intel Core 4th i5, 16GB RAM, New 480GB SSD, Windows 10 Pro - Newegg.com
A-Tech 4GB Module for HP EliteBook 840 G1 Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS266381B12034X1) at Amazon.com