Guaranteed compatible upgrades for:

HP/Compaq Business Notebook nx8420

System Specifications
Maximum Memory:
  • 4GB
  • 2 Sockets
Standard Memory:
  • 512MB (Removable) or
  • 1GB (Removable) or
  • 2GB (Removable)
  • Intel Core Duo Intel 945PM
Bus Architecture:
  • PC Card; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • EM736AV; EM737AV; EM738AV; EM739AV; EX758PA; EX759PA; EX777PA; EX778PA; EY682AA; EY683AA; RA719PA; RA720PA; RA721PA; RA722PA; RC316PA; RC317PA; RC326PA; RC327PA; RC328PA; RC346PA; RC347PA; RC362PA; RC363PA; RC364PA; RD708PA; RD730PA; RD731PA; RD767PA; RD768PA; RD780PA; RD781PA; RE982PA; RF031PA; RF688PA; RH130PA; RH131PA; RH149PA; RH150PA
Upgrade Path:
  • Virtually any configuration up to 4GB can be reached using any combination of 1 and 2GB modules.