Guaranteed compatible upgrades for:

ASUS P Series Motherboard P4C800/P4C800 Deluxe

System Specifications
Maximum Memory:
  • 4GB
  • 4 Sockets
Standard Memory:
  • 0MB (Removable)
  • Intel Pentium 4 Intel 875P
Bus Architecture:
  • PCI; USB
Upgrade Path:
  • Virtually any configuration up to 4GB can be reached using any combination of 128, 256, 512MB, and 1GB modules.
  • All modules must be identical for Dual Channel with Dynamic Mode.
  • When running at DDR2-800 FSB, DDR333 will clock at 320 MT/s only.
  • Systems shipped with DDR2-800 FSB processors should use DDR400 (KVR400X64C3A) parts.
  • Systems shipped with DDR2-533 FSB processors should use DDR333 (KVR333X64C25) parts.
  • KVR400X72C3 parts have 3-4-4 timings.
  • KVR400X72C3A parts have 3-3-3 timings.
  • If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).