Used Genuine HP EliteBook 8540w Laptop RAM Memory Ram Cover Door AP07G000400 | eBay
OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq EliteBook 8540w (Quad Core) (4 Slots) (DDR3-8500) Laptop Memory at Amazon.com
HP Elitebook 8540W, CPU i7 740 1.73, 16 GB RAM, 240 GB SSD. Win.10 Pro | eBay
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540W Mobile Workstation - A13 at Amazon.com
HP Elitebook 8540W, CPU i7 740 1.73 GHz, 14 GB RAM, 240 GB SSD. Win.10 Pro | eBay
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540W Mobile Workstation - A13 at Amazon.com
Renewed HP EliteBook 8540W Mobile Workstation i7-M620 8GB RAM 500GB HDD Windows 10 15.6" 1920x1080 Webcam With 30 Days Return, 90 Days Exchange Warranty
A-Tech 8GB Module for HP EliteBook 8540w Mobile Workstation (Quad Core Processors) Laptop & Notebook Compatible DDR3/DDR3L PC3-12800 1600Mhz Memory Ram (ATMS266664B12351X1) at Amazon.com