Guaranteed compatible upgrades for:

eMachines D Series Notebook D640 Series


System Specifications
Maximum Memory:
  • 8 GB
Expansion:
  • 2 Sockets
Standard Memory:
  • 1 GB (Removable) or
  • 2 GB (Removable) or
  • 4 GB (Removable)
CPU/Chipset:
  • AMD Athlon II X2 Dual-Core (AM3) 2.1 GHz AMD M880G
Bus Architecture:
  • SSD - SATA 2.5-inch 9.5mm; USB
Mfr's System P/N's:
  • D640-P322G25Mnks
Upgrade Path:
  • Virtually any configuration up to 8GB can be reached using any combination of 1, 2 and 4GB modules.
Comments:
  • MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode