Guaranteed compatible upgrades for:

IBM/Lenovo ThinkPad R400 7440,7443,7445,7446,7447-xxx


System Specifications
Maximum Memory:
  • 3 GB with 32-bit OS
  • 4 GB with 64-bit OS
Expansion:
  • 2 Sockets
Standard Memory:
  • 512 MB (Removable) or
  • 1 GB (Removable) or
  • 2 GB (Removable)
CPU/Chipset:
  • Intel Core 2 Duo Intel GM45
Bus Architecture:
  • PC Card; SSD - SATA 2.5-inch 9.5mm
Mfr's System P/N's:
  • 7440-xxx; 7440W44; 7440WT1; 7443-xxx; 7445-xxx; 7446-xxx; 7447-xxx; NN932FR
Upgrade Path:
  • Virtually any configuration up to 4GB can be reached using any combination of 1 and 2GB modules.
Comments:
  • Notebooks with 32-bit operating systems, if 4GB is installed, the recognized memory may be reduced to 3GB or less (depending on system configuration and memory allocation)