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Green rectangular DDR3 RDIMM module with gold contacts and black chips

Axiom

Axiom AX31866R13A/16G 16GB DDR3-1866 ECC RDIMM server RAM

SKU CH-N5G0-2S9T5 MPN AX31866R13A/16G

Provides 16 GB DDR3 ECC registered memory at 1866 MHz for server stability

  • 16 GB capacity supports large server workloads
  • DDR3-1866 speed delivers 1866 MHz data rates
  • ECC error checking protects data integrity
  • Registered signal processing stabilises memory bus
  • 5 mil module thickness fits standard DIMM slots

16 GB DDR3-1866 ECC RDIMM

This 16 GB DDR3 module runs at 1866 MHz and conforms to the PC3-14900 standard. It is built for servers that require registered signal processing and error-correcting code memory. The 157.5 mil thickness fits standard DIMM slots in compatible rackmount or tower systems.

DDR3 bus and registered buffering limits

DDR3 tops out at 1866 MHz for this module, so bandwidth is capped by the bus generation. Registered buffering adds one clock cycle of latency but allows larger memory populations per channel. Systems not designed for registered DIMMs will not post with this module installed.

16 GB per module headroom

A single 16 GB stick suits workloads that need moderate capacity per slot such as virtualization hosts or database nodes. Applications that demand hundreds of gigabytes per socket will exhaust slot count before this module reaches its limit.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $89.99
Cheaper than about 72% of the 6,523 comparable items (median $188.99).

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Specifications

Product
Brand nameAxiom
Model nameAX31866R13A/16G
Size & build
Shipping weight2.27 kg
Package size127 × 127 × 127 mm

Questions about this item

Should I choose the 16 GB module or a different capacity?

This module provides 16 GB in a single stick; add more identical modules to reach the total memory your server board supports.

What does the 1866 MHz rating deliver in a running server?

The module runs at 1866 MHz DDR3-1866, giving the memory controller a 1866 MT/s data rate per pin for ECC-registered workloads.

How does the DDR3-1866/PC3-14900 standard limit performance?

The DDR3-1866/PC3-14900 standard sets the maximum clock at 1866 MHz; the platform's memory controller determines the actual operating speed.

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