Guaranteed compatible upgrades for:

HP/Compaq Pavilion a1000 Series Desktop

System Specifications
Maximum Memory:
  • 2GB
  • 2 Sockets
Standard Memory:
  • 256MB (Removable) or
  • 512MB (Removable) or
  • 1GB (Removable)
  • Intel Pentium 4 2 GHz ATi RADEON XPRESS 200 (RC410)
Upgrade Path:
  • Virtually any configuration up to 2GB can be reached using any combination of 512MB and 1GB modules.
  • MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of Dual Channel Mode.
  • This system supports both DDR2-400 (KTH-XW4200/xx) and DDR2-533 (KTH-XW4200AN/xx) memory.
  • When mixed, the memory will default to DDR2-400.