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Two green DDR4 UDIMM sticks, 288-pin, no heat spreader, 32GB kit

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 2666 ECC UDIMM Synology RS2423+ memory upgrade

SKU CH-TMX1-AGQJC

A 32 GB DDR4 ECC UDIMM kit running at 2666 MHz with CL19 timing, built for Synology RackStation RS2423+ 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 dual-channel kit expands NAS capacity for heavy workloads
  • DDR4 2666 speed matches Synology RS2423+ specifications exactly
  • 2 V low-voltage modules reduce power draw and heat
  • 288-pin UDIMM form factor installs directly in supported bays

Synology RS2423+ 32 GB DDR4 kit

This 32 GB kit contains two 16 GB DDR4 2666 ECC unbuffered UDIMM modules built for the Synology RackStation RS2423+ NAS. It targets administrators who need to expand memory capacity for virtualisation, container workloads or large file caches. The modules run at 1.2 V with a CL19 latency and use a 2Rx8 organisation.

Install by seating both modules in the NAS slots

Installation follows the standard UDIMM procedure: power down the unit, open the chassis, align the 288-pin modules with the slots and press until the latches click. Because the kit is validated for the RS2423+, compatibility issues are rare; the main risk is forgetting to seat both sticks fully, which leaves the system running in single-channel mode.

ECC corrects errors during long workloads

Under sustained load the ECC logic detects and corrects single-bit errors that can accumulate during extended file transfers or database operations. The unbuffered design keeps latency low while the 1.2 V operation limits heat rise in the passively cooled NAS chassis, so throughput remains stable over many hours.

Points forts

  • ECC protection guards data integrity with built-in error correction
  • 32 GB dual-channel kit expands NAS capacity for heavy workloads
  • DDR4 2666 speed matches Synology RS2423+ specifications exactly
  • 2 V low-voltage modules reduce power draw and heat
  • 288-pin UDIMM form factor installs directly in supported bays

Caractéristiques

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2666MHZ ECC Unbuffered UDIMM
Part NumberME21300-628K2
Capacity32GB (2 x 16GB)
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemSynology
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 ECC UDIMM
Rank2Rx8
FeaturesDDR4 ECC Unbuffered UDIMM Motherboard Compatible
Package Content32GB (2X16GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM KIT

Questions sur cet article

How do I verify the 32GB (2x16GB) DDR4 2666 ECC UDIMM is recognised correctly after installing it in my Synology RS2423+?

Open DSM, go to Control Panel > Info Center > System, and confirm the total memory shows 32GB with ECC status enabled.

What comes in the kit and is anything else required to fit the 288-pin modules into the RS2423+?

The box contains two 16GB 288-pin DDR4 ECC UDIMM sticks (part ME21300-628K2); no extra brackets, cables or tools are needed.

Should I choose this 32GB 2666MHz CL19 2Rx8 kit or a different capacity for the RS2423+?

This 32GB (2x16GB) kit matches the RS2423+ supported speed of 2666MHz, voltage of 1.20V and ECC unbuffered requirement; select it when you need the maximum supported capacity in a two-slot configuration.

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