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Two green DDR4 SODIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM Synology DDR4 2666 CL19 32GB (2x16GB) ECC SODIMM memory upgrade

SKU CH-BW9Z-ZR8TR

ECC DDR4 SODIMM kit adds 32 GB of 2666 MHz memory to compatible Synology NAS systems

  • Capacity32GB (2 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection guards data integrity with built-in error correction
  • 32 GB total capacity delivered as two 16 GB modules
  • 2666 MHz DDR4 speed rated at PC4-21300 bandwidth
  • Low 1.20 V operation reduces power draw and heat
  • Validated for Synology DiskStation DS3622xs+ NAS compatibility

Synology DS3622xs+ DDR4 2666 ECC SODIMM kit

This 32 GB kit contains two 16 GB DDR4 2666 CL19 ECC unbuffered SODIMM modules built for the Synology DiskStation DS3622xs+ NAS. Each stick runs at 1.2 V with 2Rx8 organisation and uses major OEM chips from Samsung, Micron or Hynix. The 260-pin form factor matches the NAS memory slots exactly.

ECC unbuffered design protects data integrity

Error-correcting code detects and corrects single-bit errors while the unbuffered layout keeps latency low for the DS3622xs+ memory controller. The CL19 timing at 2666 MT/s matches the platform specification, so the NAS boots without manual configuration. No heat spreader is fitted, allowing the modules to sit side by side in the compact NAS chassis.

32 GB total capacity suits multi-user workloads

The paired 16 GB modules fill both slots, giving the DS3622xs+ headroom for virtual machines, Docker containers and large file caches. Workloads that exceed 32 GB will swap to disk, so buyers who need more memory must choose a NAS model with additional slots.

Points forts

  • ECC protection guards data integrity with built-in error correction
  • 32 GB total capacity delivered as two 16 GB modules
  • 2666 MHz DDR4 speed rated at PC4-21300 bandwidth
  • Low 1.20 V operation reduces power draw and heat
  • Validated for Synology DiskStation DS3622xs+ NAS compatibility

Caractéristiques

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

Questions sur cet article

Will the 1.2V DDR4 modules need active cooling in a DS3622xs+ running continuous workloads?

The sticks run at 1.2V and have no heat spreader; they rely on the NAS chassis airflow, so ensure the system fans are clean and spinning at rated speed.

What sustained throughput ceiling appears first when the 2Rx8 ECC SODIMMs are fully populated?

The JEDEC-rated 2666 MT/s CL19 spec sets the maximum bandwidth; the memory controller in the DS3622xs+ will not exceed that data rate.

Do the unbuffered ECC chips require any firmware update or periodic re-training after installation?

No firmware or re-training is needed; the modules are validated for the DS3622xs+ and operate at standard DDR4 2666 timings once seated.

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