Guaranteed compatible upgrades for:

Toshiba Satellite M55 Series M55-S331 / M55-S3311 (PSM40U-0HP01V)


System Specifications
Maximum Memory:
  • 2GB
Expansion:
  • 1 Slot for SecureDigital (SD) 2 Sockets for SODIMMs
Standard Memory:
  • 256MB (Removable) or
  • 512MB (Removable) or
  • 1GB (Removable)
CPU/Chipset:
  • Intel Pentium M 1.73 GHz Intel 915GM
Bus Architecture:
  • Flash - Secure Digital; PC Card; USB
Mfr's System P/N's:
  • PSM40U-0HP01V; PSM40U-0HP01W
Upgrade Path:
  • Virtually any configuration up to 2GB can be reached using any combination of 512MB and 1GB modules.