HP 595764-001 - Motherboard for HP Elitebook 8540p 8540w | For use only with CPU 520M 540M or 620M
HP EliteBook 8540P 15.6" Standard Refurbished Laptop - Intel Core i5 540M 1st Gen 2.53 GHz 8GB SODIMM DDR3 SATA 2.5" 500GB HDD DVD-RW Windows 10 Pro 64-Bit - Walmart.com
Solved: Missing RAM slot in EliteBook 8540p - HP Support Community - 1800127
595764 001 KAQ00 LA 4951P QM57 8GB RAM Ver MotherBoard SYSTEM BOARD for HP ELITEBOOK 8540P 8540W Support FX880M M5800 FX1800M|Motherboards| - AliExpress
Refurbished: HP Laptop EliteBook 8540P Intel Core i7 1st Gen 620M (2.66GHz) 4GB Memory 500GB HDD Intel HD Graphics 15.6" Windows 10 Pro - Newegg.com
HP EliteBook 8540p - Intel CI5 2.4Ghz 6GB RAM 128GB SSD 15" Win 10 Pro, Grade A Refurbished - Green Dragon Technology
HP EliteBook 8540p Intel i7-Q720 1.60Ghz 4GB RAM 250GB HDD Win 10 Pro Webcam - Walmart.com
New for HP Elitebook 8540P 8540W BOTTOM CASE Memory RAM Door Cover with screws | eBay
HP Elitebook 8540P Intel Core i7-620M 2.66GHz CPU 4GB RAM 500GB HDD Windows 10 Pro 15.6-inch Laptop (Refurbished) - Overstock - 9396846