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RamCity guarantees 100% that all modules below are compatible with the NEC Express 5800 Series 120Ef

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RamCity 1GB CL2.5 ECC Registered 184-pin DIMM
Part #. ABK • DDR-266 / PC2100 • CL2.5 • ECC • Registered • 2.5V • 36-chip 64M x4 •  more info
Buy new: $165.99 $129.99

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We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Standard Memory:
  • 256MB (Removable) or
  • 512MB (Removable)
Maximum Memory:
  • 4GB
Expansion:
  • 4 Sockets
CPU/Chipset:
  • Intel Xeon 1.8 GHz ServerWorks GC-SL
  • Intel Xeon 2.8 GHz ServerWorks GC-SL
Bus Architecture:
  • PCI
Mfr's System P/N's:
  • N8100-857; N8100-858; N8100-889; N8100-890
Upgrade Path:
  • Virtually any configuration up to 4GB can be reached using 1GB modules.