Guaranteed compatible upgrades for:

HP/Compaq Presario CQ5000 Series Desktop CQ5811


System Specifications
Maximum Memory:
  • 8 GB
Expansion:
  • 2 Sockets
Standard Memory:
  • 2 GB (Removable) or
  • 4 GB (Removable)
CPU/Chipset:
  • AMD Athlon II X2 Dual-Core (AM3) 3.2 GHz AMD 760G
Bus Architecture:
  • PCI; PCI Express; SSD - SATA 2.5-inch 9.5mm; USB
Mfr's System P/N's:
  • QP665AA
Upgrade Path:
  • Virtually any configuration up to 8GB can be reached using any combination of 2 and 4GB modules.
Comments:
  • MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of dual-channel support.
  • If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
  • Maximum configurations require a 64-bit operating system.
  • Per HP documentation, system supports DDR3-1333 and 1066 modules but memory Bus runs at 1066MHz