Guaranteed compatible upgrades for:

Toshiba Satellite C640 Series C640-1056XT (PSC2YL-003005)


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System Specifications
Maximum Memory:
  • 8GB
Expansion:
  • 2 Sockets
Standard Memory:
  • 2GB (Removable) or
  • 4GB (Removable) or
  • 6GB (Removable)
CPU/Chipset:
  • Intel Pentium 2 GHz Intel HM65
Bus Architecture:
  • SSD - SATA 2.5-inch 9.5mm; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • PSC2YL-003005
Upgrade Path:
  • Up to 8GB can be reached using 4GB modules.