8GB Memory RAM for HP EliteBook 8540w (Quad core) 204pin PC3-12800 1600MHz DDR3 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com
FPS drop after ram upgrade (info in comments) : r/AcerNitro
HP EliteBook 8540w Core i7 | 8GB | 500GB HD - Green IT
HP Elitebook 8540W 2.67Ghz Core i7 - 4gb RAM - 500gb HDD - DVD - 1GB Graphics - 15.6" Screen (Refurbished) - Digitonia Systems Ltd
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540W Mobile Workstation - A13 at Amazon.com
CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540W Mobile Workstation Notebook - A29 at Amazon.com
Amazon.com: A-Tech - Módulo de 8 GB para estación de trabajo móvil HP EliteBook 8540w (procesadores Quad Core) portátil y portátil compatible DDR3/DDR3L PC3-12800 1600 MHz (ATMS266664B12351X1) : Electrónica
QuickSpecs HP EliteBook 8540w Mobile Workstation
PortátilHp Elitebook 8540w | PcExpansion.es
Portátil HP ELITEBOOK 8540W SEMINUEVO de segunda mano por 219 EUR en Valladolid en WALLAPOP
OFFTEK 4GB Memoria RAM de Repuesto para HP-Compaq EliteBook 8540w (Quad Core) (4 Slots) (DDR3-8500) Memoria para portátil : Amazon.es: Informática
Actualizaciones De Memoria RAM Para HP-Compaq EliteBook 8540w (Dual Core) (2 Slots) Portátil
4 GB (1X4 GB) RAM DE MEMORIA 4 HP EliteBook 8560p, 8740w, 8560w, 8760w A30 849005050210 | eBay
Memory RAM | 16GB Kit (2x8GB) - HP - HPE EliteBook 8540w (Quad-Core) Mobile Workstation - - 1333MHz, Unbuffered, 1,5V