Guaranteed compatible upgrades for:

IBM/Lenovo ThinkCentre M58 Ultra Small Form Factor 7626, 7629, 7637, 8820-xxx

System Specifications
Maximum Memory:
  • 4GB
  • 2 Sockets
Standard Memory:
  • 1GB (Removable) or
  • 2GB (Removable)
  • Intel Core 2 Duo Intel Q45
  • Intel Celeron Intel Q45
Bus Architecture:
  • PCI; PCI Express; SSD - SATA 2.5-inch
Mfr's System P/N's:
  • 7626-xxx; 7629-xxx; 7637-xxx; 8820-xxx; SJCA7XX; SJCAJFR
Upgrade Path:
  • Configurations up to 4GB can be reached using 1 and 2GB modules.