HP Laptop EliteBook Intel Core i7 1st Gen 640LM (2.13GHz) 4GB Memory 250GB HDD Intel HD Graphics 12.1" Windows 7 Professional 64-bit 2540p(WH283UT) - Newegg.com
4GB RAM Memory for HP EliteBook Mobile Workstation 8740W Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade - Newegg.com
Review HP EliteBook 2540p Subnotebook - NotebookCheck.net Reviews
8GB 2X4GB Memory RAM for HP EliteBook 8540p 204pin 1333MHz PC3-10600 DDR3 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com
Elitebook 2540p - not possible to upgrade RAM (I've got 4 di... - HP Support Community - 7599630
HP EliteBook 2540p Business Laptop, Intel Core i7-1st Generation CPU, 2GB DDR3 RAM, 200GB HDD, 12.1 inch Display, Windows 10 Pro , Refurbished Laptop
4GB SODIMM For HP Compaq EliteBook 2540p 2560p 2740p 2760p 8440p / w Ram Memory | eBay
Japansoft - HP EliteBook 2540p | Core i5 | Rs.33,800/- - Intel Core i5 - 2.60 GHz speed - 4GB DDR3 RAM - 250GB SATA hard drive - Intel HD Graphics -
Solved: 2540p memory upgrade - HP Support Community - 1678365