HP EliteBook 8540p Laptop Memory/RAM & SSD Upgrades | Kingston
Nokotion Kaq00 La-4951p 595764-001 Laptop Motherboard For Hp Elitebook 8540p 8540w Ddr3 With Graphics Slot Not Support I7 - Laptop Motherboard - AliExpress
HP EliteBook - 8540p i5 540M, 4GB DDR3, 250GB HDD, WIN7 Home 15.6" Widescreen, DVD-RW, NVIDIA 1600x900 With A/C Adapter
4GB RAM Memory Upgrade for Compaq HP EliteBook 8540w DDR3-1333MHz 204-pin SODIMM | eBay
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540P Notebook Sodimm - A13 at Amazon.com
HP 595764-001 - Motherboard for HP Elitebook 8540p 8540w | For use only with CPU 520M 540M or 620M
HP EliteBook 8540p Notebook Laptop Computer 15.6" i5 8GB 500GB HD Windows 10 PRO