Guaranteed compatible upgrades for:

Sony VAIO VGN-B Series VGN-BX640PS3


System Specifications
Maximum Memory:
  • 2GB
Expansion:
  • 2 Sockets
Standard Memory:
  • 512MB (Removable)
CPU/Chipset:
  • Intel Core 2 Duo 2 GHz Intel 945GM
Bus Architecture:
  • Flash - Secure Digital; PC Card; SSD - SATA 2.5-inch 9.5mm
Upgrade Path:
  • Virtually any configuration up to 2GB can be reached using 1GB modules.