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Green bare circuit board with gold edge connectors and black memory chips

NEMIX RAM

NEMIX RAM 8GB DDR4 2666 ECC RDIMM CL19 memory upgrade

SKU CH-A3DF-046QM

8 GB registered DDR4 ECC module at 2666 MT/s, CL19, 1.2 V, 288-pin RDIMM for Micron-compatible servers

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • ECC protection prevents data corruption in critical workloads
  • Registered design improves signal integrity for stable server operation
  • DDR4 2666 speed delivers responsive performance for demanding applications
  • 20 V operation reduces power draw and heat output
  • 288-pin RDIMM form factor fits compatible Micron server platforms

8GB DDR4 2666 ECC RDIMM

This 8 GB DDR4 2666 MHz registered DIMM adds ECC-protected capacity to compatible Micron server and workstation platforms. The single-rank 1Rx4 module runs at 1.2 V with CL19 latency and fits standard 288-pin DDR4 RDIMM slots. It targets administrators who need to expand memory in validated enterprise systems.

Upgrading from non-ECC or unbuffered modules

Replacing standard unbuffered or non-ECC memory with this registered ECC RDIMM enables error correction and signal buffering required by many server chipsets. The jump is worthwhile when the platform mandates registered DIMMs and ECC for data integrity under sustained workloads.

Verify registered DIMM support

Confirm the motherboard or system documentation explicitly lists DDR4 2666 registered ECC RDIMM support and the maximum rank count per channel. Some platforms restrict mixing 1Rx4 modules with other ranks or limit total DIMMs per channel, so check the qualified vendor list before ordering.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $53.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.75 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineMicron Server/Workstaion Compatible Series Memory
Model nameMicron DDR4 2666 MHz ECC RDIMM Registered Server Memory
Part numberMR21300-814K1
Total capacity8 GB
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsMICRON
In the box
Included items8 GB (1 × 8 GB) DDR4 2666 MHz PC4-21300 1Rx4 1.2 V CL19 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Will this 288-pin DDR4 RDIMM fit my server's memory slots?

Yes, the module uses the standard 288-pin DDR4 RDIMM form factor used by compatible Micron server platforms.

Do I need to install this registered ECC module in a specific slot order?

Follow your system manual for population rules; registered ECC RDIMMs often require specific slot sequences per channel.

How do I know when to replace this 8GB DDR4 2666 module?

Replace it if memory diagnostics report uncorrectable ECC errors or if the system logs repeated corrected errors over time.

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