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Two green DDR4 SODIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 2666 ECC SODIMM NAS memory upgrade

SKU CH-JKS7-F1QR9

32 GB kit of two 16 GB DDR4 2666 ECC unbuffered SODIMMs at CL19 1.2 V for Synology NAS

  • Capacity32GB (2 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection guards data integrity in NAS workloads
  • 32 GB kit doubles capacity with two 16 GB modules
  • DDR4 2666 speed matches Synology D4ECSO-2666-16G specification
  • 2 V operation keeps power draw low
  • 260-pin SODIMM fits compatible Synology NAS slots

Synology DDR4 ECC SODIMM Kit

This 32 GB kit provides two 16 GB DDR4 2666 ECC unbuffered SODIMM modules built for Synology NAS systems. The dual-rank 2Rx8 chips run at 1.2 V with CL19 latency and use 260-pin packaging for direct motherboard fit.

NAS owners needing ECC protection

Suits administrators who want error-correcting memory for data integrity in compatible Synology units. Builders requiring registered DIMMs, non-ECC SODIMMs, or speeds other than DDR4 2666 should look at something else.

260-pin DDR4 2666 ECC SODIMM interface

The single specification that decides fit is the 260-pin DDR4 2666 ECC unbuffered SODIMM form factor; only systems accepting this exact module type and voltage will recognise the kit.

Highlights

  • ECC protection guards data integrity in NAS workloads
  • 32 GB kit doubles capacity with two 16 GB modules
  • DDR4 2666 speed matches Synology D4ECSO-2666-16G specification
  • 2 V operation keeps power draw low
  • 260-pin SODIMM fits compatible Synology NAS slots

Specifications

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2666MHZ ECC Unbuffered SODIMM
Part NumberMSE21300-628K2
Capacity32GB (2 x 16GB)
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemSynology
CAS LatencyCL19
Heat SpreaderNo
Type260-PIN DDR4 ECC SODIMM
Rank2Rx8
FeaturesDDR4 ECC Unbuffered SODIMM Motherboard Compatible
Package Content32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT

Questions about this item

How do I verify the 2666 MHz speed and CL19 timing are active after installing the modules?

Enter the Synology DSM interface, open Resource Monitor and check the Memory section — it will show DDR4 2666 and CAS 19 if the kit is running at its rated specification.

What comes in the package and is anything else required for installation?

The box contains two 16 GB 260-pin DDR4 ECC SODIMM modules; no additional parts or tools are needed for a compatible Synology NAS.

Should I choose this 32 GB kit or a different capacity for my Synology model?

Select this 32 GB (2×16 GB) kit when your Synology NAS supports DDR4 2666 ECC SODIMM and has two free slots; choose a lower or higher capacity kit only if the chassis has fewer or more slots.

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