Guaranteed compatible upgrades for:

SOYO Dragon Ultra Motherboard SY-P4S-645DX

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System Specifications
Maximum Memory:
  • 3GB
  • 3 Sockets
Standard Memory:
  • 0MB (Removable)
  • Intel Pentium 4 SiS 645DX
Bus Architecture:
  • PCI
Upgrade Path:
  • Virtually any configuration up to 3GB with can be reached using any combination of 512MB and 1GB modules.