Guaranteed compatible upgrades for:

Tyan Computers Thunder Motherboard n6550EX (S4989)

System Specifications
Maximum Memory:
  • 128GB
  • 8 Sockets (4 banks of 2) per CPU 32 Sockets Total
Standard Memory:
  • 0MB (Removable)
  • AMD Opteron (Socket F) Nvidia nForce Pro 3600
Bus Architecture:
  • PCI; PCI Express; PCI-X; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • S4989; S4989WG2NR
Upgrade Path:
  • Virtually any configuration up to 128GB can be reached using 512MB, 1, 2, and 4GB modules IN PAIRS or kits.