Motherboard with Intel Core i7-640LM processor - Intel HD Graphics LA-5251P for HP Elitebook 2540p
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
Review HP EliteBook 2540p Subnotebook - NotebookCheck.net Reviews
Refurbished: HP Elitebook 2540p 12.1" Notebook - Intel Core i7-640lm 2.1GHz, 4GB RAM, 120GB HDD, Windows 7 Professional 64 Bit - Newegg.com
4GB SODIMM For HP Compaq EliteBook 2540p 2560p 2740p 2760p 8440p / w Ram Memory | eBay
Solved: 2540p memory upgrade - HP Support Community - 1678365
Laptop Hp Elitebook 2540p Refurbished Screen 12.1 "processor I5 2.53 Ghz 4gb Ram Solid State Disk 240 Gb Ssd Webcam Windows 10 Wifi Wireless Mouse As New Battery As New! - Laptops - AliExpress
HP EliteBook 2540p Review | Digital Trends
Elitebook 2540p - not possible to upgrade RAM (I've got 4 di... - HP Support Community - 7599630
HP EliteBook 2540p i7 2.1GHz 4GB 160SSD DVD Windows 10 Pro 64 Laptop Camera - Walmart.com