![4GB Memory Upgrade for HP EliteBook 840 G1 DDR3L 1600MHz PC3L-12800 SODIMM RAM (PARTS-QUICK Brand) at Amazon.com 4GB Memory Upgrade for HP EliteBook 840 G1 DDR3L 1600MHz PC3L-12800 SODIMM RAM (PARTS-QUICK Brand) at Amazon.com](https://m.media-amazon.com/images/I/61UYUQz-ppL._AC_UF894,1000_QL80_.jpg)
4GB Memory Upgrade for HP EliteBook 840 G1 DDR3L 1600MHz PC3L-12800 SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
![A-Tech 8GB Module for HP EliteBook 840 G1 Laptop & Notebook Compatible DDR3/DDR3L PC3-14900 1866Mhz Memory Ram (ATMS266381B30845X1) at Amazon.com A-Tech 8GB Module for HP EliteBook 840 G1 Laptop & Notebook Compatible DDR3/DDR3L PC3-14900 1866Mhz Memory Ram (ATMS266381B30845X1) at Amazon.com](https://m.media-amazon.com/images/I/7193IHQHAqL.jpg)
A-Tech 8GB Module for HP EliteBook 840 G1 Laptop & Notebook Compatible DDR3/DDR3L PC3-14900 1866Mhz Memory Ram (ATMS266381B30845X1) at Amazon.com
![B GRADE Used HP EliteBook 840 G1 14" Laptop, Intel Core i5-4300U 1.9GHz, 4GB RAM, 128GB SSD, Windows 10 Home - Walmart.com B GRADE Used HP EliteBook 840 G1 14" Laptop, Intel Core i5-4300U 1.9GHz, 4GB RAM, 128GB SSD, Windows 10 Home - Walmart.com](https://i5.walmartimages.com/asr/13179b15-6ca4-499b-b155-7f05ad1afedb_1.7b44e17006b942d3a80ead75d63adbb8.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
B GRADE Used HP EliteBook 840 G1 14" Laptop, Intel Core i5-4300U 1.9GHz, 4GB RAM, 128GB SSD, Windows 10 Home - Walmart.com
![Amazon.com: HP EliteBook 840 G1 Intel Core I7 4600U 2.1GHz 16G DDR3 Ram 180G SSD Webcam Windows 10 Pro (Renewed) : Electronics Amazon.com: HP EliteBook 840 G1 Intel Core I7 4600U 2.1GHz 16G DDR3 Ram 180G SSD Webcam Windows 10 Pro (Renewed) : Electronics](https://m.media-amazon.com/images/I/71-Qbm6tyJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP EliteBook 840 G1 Intel Core I7 4600U 2.1GHz 16G DDR3 Ram 180G SSD Webcam Windows 10 Pro (Renewed) : Electronics
![Amazon.com: HP EliteBook 840 G1 14in Laptop, Core i5-4300U 1.9GHz, 8GB Ram, 256GB SSD, Windows 10 Pro 64bit (Renewed) : Electronics Amazon.com: HP EliteBook 840 G1 14in Laptop, Core i5-4300U 1.9GHz, 8GB Ram, 256GB SSD, Windows 10 Pro 64bit (Renewed) : Electronics](https://m.media-amazon.com/images/I/71fCSwvM82L._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP EliteBook 840 G1 14in Laptop, Core i5-4300U 1.9GHz, 8GB Ram, 256GB SSD, Windows 10 Pro 64bit (Renewed) : Electronics
![A-Tech 8GB Module for HP EliteBook 840 G1 Laptop & Notebook Compatible DDR3/DDR3L PC3-14900 1866Mhz Memory Ram (ATMS266381B30845X1) at Amazon.com A-Tech 8GB Module for HP EliteBook 840 G1 Laptop & Notebook Compatible DDR3/DDR3L PC3-14900 1866Mhz Memory Ram (ATMS266381B30845X1) at Amazon.com](https://m.media-amazon.com/images/I/7193IHQHAqL._AC_UF894,1000_QL80_.jpg)