Guaranteed compatible upgrades for:

IBM/Lenovo ThinkPad S431


System Specifications
Maximum Memory:
  • 8GB
Expansion:
  • 1 Socket
Standard Memory:
  • 2GB (Removable) or
  • 4GB (Removable)
CPU/Chipset:
  • Intel Core i7 Intel HM76
  • Intel Core i5 Intel HM76
  • Intel Core i3 Intel HM76
Bus Architecture:
  • Flash - SDXC; SSD - SATA 2.5-inch 7mm; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • 20AXxxx; 20BAxxx
Upgrade Path:
  • Please click the link above to check upgrade path details on the Kingston Web site.