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Green rectangular SODIMM module with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM 16GB DDR4 2666MHz ECC Unbuffered SODIMM 2Rx8 CL19 1.2V 260-pin Synology DS2419+II memory upgrade

SKU CH-PYR0-4VHKZ

16 GB DDR4 2666 MHz ECC unbuffered SODIMM for Synology DS2419+II NAS upgrades

  • Capacity16GB
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 16 GB capacity expands NAS storage headroom
  • ECC protection detects and corrects data errors
  • 2666 MHz DDR4 speed matches DS2419+II spec
  • 2 V operation reduces power draw
  • 260-pin SODIMM form factor fits Synology slot

16GB DDR4 ECC SODIMM for Synology DS2419+II

This 16 GB DDR4 2666 MHz ECC unbuffered SODIMM is built for the Synology DiskStation DS2419+II. It adds error-correcting memory to a NAS that runs 24/7 workloads such as file serving, backup and virtualization. The module uses major OEM chips from Samsung, Micron or Hynix and carries part number MSE21300-628K1. It targets administrators who need validated compatibility rather than generic consumer memory.

Thermals noise and power at 1.2 V

Operating at 1.20 V, the module draws minimal power and produces little heat inside the sealed NAS chassis. No heat spreader is fitted, so airflow from the system fans passes directly over the DRAM packages. The low voltage and unbuffered design keep acoustic impact negligible during sustained read and write cycles. Power consumption stays within the platform's standard memory budget without extra cooling requirements.

Single module packaging and validated compatibility

The package contains one 260-pin SODIMM rated CL19 2Rx8 with no additional cables, tools or software. Compatibility is verified for the DS2419+II, reducing the risk of POST failures or data corruption that can occur with unqualified sticks. Installers simply insert the module into an available slot following the NAS manual. No firmware updates or configuration utilities are supplied or required.

Points forts

  • 16 GB capacity expands NAS storage headroom
  • ECC protection detects and corrects data errors
  • 2666 MHz DDR4 speed matches DS2419+II spec
  • 2 V operation reduces power draw
  • 260-pin SODIMM form factor fits Synology slot

Caractéristiques

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2666MHZ ECC Unbuffered SODIMM
Part NumberMSE21300-628K1
Capacity16GB
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 Content16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM

Questions sur cet article

How is the 260-pin SODIMM installed in the Synology DS2419+II, and what step is often missed?

Power off the NAS, remove the cover, align the notch on the 260-pin module with the slot key, press firmly until the side clips click, then replace the cover before powering on; the step often missed is fully seating the module so both clips engage.

What maintenance or replacement will this 16GB DDR4 ECC module need over time?

No routine maintenance is required; the module has no heat spreader and runs at 1.20V, so only a future capacity upgrade or a rare failure would prompt replacement.

What limit appears first when the DS2419+II runs sustained workloads with this CL19 2666MHz memory?

The memory controller caps throughput at the 2666MHz JEDEC rating, so sustained heavy workloads hit that bandwidth ceiling before thermal or voltage limits become a factor.

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