Guaranteed compatible upgrades for:

HP/Compaq ProBook Series Notebook 640 G3

System Specifications
Maximum Memory:
  • 32GB
  • 2 Sockets
Standard Memory:
  • 4GB (Removable) or
  • 8GB (Removable)
  • Intel Core i7
  • Intel Core i5
  • Intel Core i3
Bus Architecture:
  • Flash - SDXC; SSD - M.2 NVMe; SSD - M.2 SATA; SSD - SATA 2.5-inch 7mm; USB 2.0/3.x Type-A; USB 2.0/3.x Type-C
Mfr's System P/N's:
  • 1AH04AW; 1AH07AW; 1AH08AW; 1BS08UT; 1BS09UT; 1BS10UT; 1BS11UT; 1BS12UT; 1BZ16LT; 1BZ17LT; 1BZ18LT; 1CR46PA; 1CR59PA; 1CR60PA; 1CR61PA; X6U18AV; X6U19AV; Z2W26EA; Z2W27EA; Z2W28EA; Z2W29EA; Z2W30EA; Z2W30ET; Z2W32EA; Z2W33EA; Z2W33ET; Z2W34EA; Z2W35EA; Z2W37EA; Z2W37ET; Z2W39EA; Z2W40EA; Z2W97ET; Z2X20EA; Z2X21EA; Z2X22EA; Z2X23EA; Z2X24EA; Z2X31EA
Upgrade Path:
  • Virtually any configuration up to 32GB can be reached using any combination of 4, 8 and 16GB modules.