HP EliteBook 8440p with Intel Core i5 CPU M 450 @ 2.40GHz, 4 GB RAM, 320 GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
8 GB 2x4 GB PC3L-10600S SO-DIMM Laptop Memory For HP EliteBook 8440p 8540p 8540w | eBay
A-Tech 4GB Memory for HP EliteBook 8440p Laptop (1 x 4GB) DDR3 / DDR3L PC3-12800 1600MHz Non-ECC SODIMM 204-Pin 2Rx8 1.35V Dual Rank Notebook Computer RAM Upgrade Stick RAM (ATMS266383B12034X1) at Amazon.com
A-Tech 4GB Memory for HP EliteBook 8440p Laptop (1 x 4GB) DDR3 / DDR3L PC3-12800 1600MHz Non-ECC SODIMM 204-Pin 2Rx8 1.35V Dual Rank Notebook Computer RAM Upgrade Stick RAM (ATMS266383B12034X1) at Amazon.com
How to upgrade RAM memory in HP EliteBook 8440p laptop - YouTube
A-Tech 4GB Memory for HP EliteBook 8440p Laptop (1 x 4GB) DDR3 / DDR3L PC3-12800 1600MHz Non-ECC SODIMM 204-Pin 2Rx8 1.35V Dual Rank Notebook Computer RAM Upgrade Stick RAM (ATMS266383B12034X1) at Amazon.com
HP EliteBook 8440p - Intel Core i5 vPro - 1TB HDD - 4GB RAM - 1.6GB To – SHOPINVERSE
Memory RAM Upgrade for HP EliteBook 8440p 4GB DDR3 SODIMM | eBay