Guaranteed compatible upgrades for:

Toshiba Satellite M40 Series M40X-RH4 (PSM4XC-RH400E)


System Specifications
Maximum Memory:
  • 1.25GB
Expansion:
  • 1 Socket for an SODIMM 1 Slot for SecureDigital (SD)
Standard Memory:
  • 256MB (Non-removable) +
  • 0MB (Removable) or
  • 256MB (Removable) = 256 or 512MB total
CPU/Chipset:
  • Intel Celeron M 1.5 GHz Intel 915GM
Bus Architecture:
  • Flash - Secure Digital; PC Card; USB
Mfr's System P/N's:
  • PSM4XC-RH400E; PSM4XC-RH400F
Upgrade Path:
  • Virtually any configuration up to 1.25GB can be reached using any combination of 512MB and 1GB modules.