Guaranteed compatible upgrades for:

HP/Compaq ProBook Series Notebook 4720s


System Specifications
Maximum Memory:
  • 4 GB using a 32-bit Operating System
  • 8 GB using a 64-bit Operating System
Expansion:
  • 2 Sockets
Standard Memory:
  • 2 GB (Removable) or
  • 4 GB (Removable) or
  • 8 GB (Removable)
CPU/Chipset:
  • Intel Core i5 2.26 GHz Intel HM57
Bus Architecture:
  • SSD - SATA 2.5-inch 9.5mm; USB
Mfr's System P/N's:
  • WD879EA; WD880EA; WD881EA; WD882EA; WD884EA; WD885EA; WD886EA; WD887EA; WD888EA; WD889EA; WD890EA; WD891EA; WD892EA; WD893EA; WD894EA; WD903EA; WD904EA; WD905EA; WD907EA; WD911EA; WD916EA; WH286UT; WH287UT; WH296UT; WH297UT; WJ351AA; WJ352AA; WJ354AA; WK317EA; WK318EA; WK356EA; WK388EA; WK414EA; WK507EA; WK516EA; WK517EA; WK519EA; WP422PA; WP423PA; WP426PA; WQ425LA; WQ426LA; WQ936PA; WQ948PA; WR025PA; WS718EA; WS719EA; WS723EA; WS807EA; WS826EA; WS840EA; WS844EA; WS881EA; WS913EA; WT156EA; WT169EA; WT680PA
Upgrade Path:
  • Virtually any configuration up to 8GB can be reached using any combination of 2 and 4GB modules.
Comments:
  • MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode.
  • If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
  • Maximum configurations require a 64-bit operating system