Guaranteed compatible upgrades for:

IBM/Lenovo ThinkStation S20 (X58) 4105, 4157, 4217-xxx


System Specifications
Maximum Memory:
  • 48 GB
Expansion:
  • 6 Sockets (2 Banks of 3)
Standard Memory:
  • 2 GB (Removable) or
  • 4 GB (Removable)
CPU/Chipset:
  • Intel Xeon Intel X58
Bus Architecture:
  • PCI; PCI Express; SSD - SATA 3.5-inch
Mfr's System P/N's:
  • 4105-xxx; 4157-xxx; 4217-xxx; SNC23FR; SNC94MZ; SNC96SP; SNCD1FR; SNCE4IX
Upgrade Path:
  • Virtually any configuration up to 24GB can be reached using 1, 2 and 4GB modules.
Comments:
  • DDR3-1333 modules automatically clock down to 1066MHz and 800MHz depending on which Intel Xeon model is used and the number of modules installed.
  • This system supports either Registered ECC or Unbuffered ECC memory.
  • Mixing Registered ECC and Unbuffered ECC modules is not supported within this system