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Green 240-pin DDR3 server memory module with black chips

Axiom

Axiom AX31866E13Z/8G 8GB DDR3 1866 ECC Unbuffered server RAM

SKU CH-MJNJ-7QH31 MPN AX31866E13Z/8G

8GB DDR3 1866 ECC unbuffered server memory for error-correcting stability

  • Total capacity8 GB
  • Rated speedDDR3 1866 (PC3 14900)
  • Buffer typeUnbuffered
  • Product type240-Pin DDR3 SDRAM
  • 8 GB capacity supports demanding server workloads
  • DDR3 1866 speed delivers 14900 MB/s bandwidth
  • ECC protection detects and corrects memory errors
  • Unbuffered design reduces latency for responsive operation
  • 240-pin DDR3 form factor fits compatible server slots

Server memory module for DDR3 platforms

This 8 GB Axiom module delivers DDR3 1866 (PC3 14900) performance with ECC error correction in an unbuffered configuration. It targets administrators maintaining or expanding servers and workstations that require 240-pin DDR3 SDRAM. The part is supplied new and validated for system-specific compatibility.

Build quality and daily handling

Tier-one components and PCBs are used throughout manufacturing, with additional qualification testing and consistent process controls. The 240-pin DDR3 form factor fits standard DDR3 DIMM slots, while the unbuffered design connects directly to the memory controller without a register. Module thickness measures 157.5 mil, which may affect clearance in dense configurations.

Specification that decides fit

ECC unbuffered operation is the decisive attribute; the module provides error-correcting code without registered buffering. Systems that require registered or load-reduced DIMMs cannot use this part, and platforms limited to non-ECC memory will not benefit from the error-checking capability.

How it compares

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

Price $107.99
Cheaper than about 66% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $13.50 per GB
Pricier than about 73% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameAxiom
Model nameAX31866E13Z/8G
Total capacity8 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1866 (PC3 14900)
Memory
ECC supportYes
Buffer typeUnbuffered
Size & build
Shipping weight0.09 kg
Package size178 × 76 × 25 mm

Questions about this item

What DDR3 speed standard and peak transfer rate does this 1866 MHz module follow?

It follows the DDR3-1866 standard, also labelled PC3-14900, which caps the peak transfer rate at 14900 MB/s.

What physical slot and form factor does this module require?

It uses a 240-pin UDIMM form factor with a 157.5 mil PCB thickness, matching the standard unbuffered DDR3 slot dimensions.

How is this memory installed, and what common step is missed?

Align the notch with the slot key, press straight down until both retention clips click, then verify the BIOS reports 1866 MHz — not a lower speed.

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