Guaranteed compatible upgrades for:

HP/Compaq Pavilion a400 Series Desktop a400y (CTO)

System Specifications
Maximum Memory:
  • 2GB
  • 2 Sockets
Standard Memory:
  • 128MB (Removable) or
  • 256MB (Removable) or
  • 512MB (Removable) or
  • 1GB (Removable)
  • Intel Pentium 4 2.5 GHz Intel 845GV
  • Intel Pentium 4 2.6 GHz Intel 845GV
  • Intel Celeron 2.6 GHz Intel 845GV
  • Intel Celeron 2.8 GHz Intel 845GV
Bus Architecture:
  • AGP; PCI
Upgrade Path:
  • Virtually any configuration up to 2GB can be reached using any combination of 512MB and 1GB modules.
  • This system is configurable and may ship with a different amount of memory.