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Guaranteed compatible upgrades for:

IBM/Lenovo ThinkCentre A51p 8420, 8422, 8423, 8427-xxx

WD Blue 2TB 5400RPM 256MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

WD Blue 2TB 5400RPM 256MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive
System Specifications
Maximum Memory:
  • 3GB
Expansion:
  • 4 Sockets
Standard Memory:
  • 256MB (Removable) or
  • 512MB (Removable)
CPU/Chipset:
  • Intel Pentium 4 Intel 915G
Bus Architecture:
  • PCI
Mfr's System P/N's:
  • 8420-xxx; 8422-xxx; 8423-xxx; 8427-xxx
Upgrade Path:
  • Virtually any configuration up to 3GB can be reached using any combination of 1GB modules.