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RamCity guarantees 100% that all modules below are compatible with the NEC Express 5800 Series iR120a-1E

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RamCity 4GB CL9 ECC 240-pin DIMM
Part #. COW • DDR3-1333 / PC3-10600 • CL9 • ECC • Dual Rank • w/ Thermal Sensor • 1.5V • 18-chip 256Mx8 •  more info
Buy new: $126.99 $98.99

50 in Stock Free Shipping Guaranteed Compatible

RamCity 4GB CL9 ECC Registered 240-pin DIMM
Part #. CDT • DDR3-1333 / PC3-10600 • CL9 • ECC • Dual Rank • Registered • 1.5V • 36-chip 256Mx4 •  more info
Buy new: $172.99 $134.99

15 in Stock Free Shipping Guaranteed Compatible

Kingston 4GB ECC
Part #. D51272J91 • ECC •  more info
Buy new: $240.99 $187.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 2GB CL9 ECC 240-pin DIMM
Part #. CNJ • DDR3-1333 / PC3-10600 • CL9 • ECC • Dual Rank • 1.5V • 18-chip 128Mx8 •  more info
Buy new: $105.99 $82.99

9 in Stock Free Shipping Guaranteed Compatible

RamCity 2GB CL9 ECC Registered 240-pin DIMM
Part #. CON • DDR3-1333 / PC3-10600 • CL9 • ECC • Registered • 1.5V • 18-chip 256Mx4 •  more info
Buy new: $114.99 $89.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 2GB CL9 ECC Registered 240-pin DIMM
Part #. BBC • DDR3-1333 / PC3-10600 • CL9 • ECC • Registered • 1.5V • 18-chip 128Mx8 •  more info
Buy new: $107.99 $83.99

1 in Stock Free Shipping Guaranteed Compatible

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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
Comments:
  • DDR3-1333 modules automatically clock down to 1066MHz and 800MHz depending on which Intel Xeon model is used and the number of modules installed.
  • This system supports either Registered ECC or Unbuffered ECC memory.
  • Mixing Registered ECC and Unbuffered ECC modules is not supported within this system.
Standard Memory:
  • 2GB (Removable)
Maximum Memory:
  • 32GB
Expansion:
  • 8 Sockets
CPU/Chipset:
  • Intel Xeon Intel 5500
Bus Architecture:
  • PCI; PCI Express; SSD - SATA 2.5-inch; USB
Mfr's System P/N's:
  • N8100-1575Y; N8100-1576Y; N8100-1577Y; N8100-1578Y; N8100-1579Y; N8100-1580Y
Upgrade Path:
  • Virtually any configuration up to 32GB can be reached using 2GB and 4GB modules.