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Two green DDR4 UDIMM sticks in a clear plastic clamshell

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 2666 ECC UDIMM Synology Compatible Series memory upgrade

SKU CH-CEM7-G17Z7

A 32 GB kit of two 16 GB DDR4 2666 ECC UDIMM modules built for Synology NAS systems

  • Capacity32GB (2 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 32 GB kit expands NAS capacity for larger workloads
  • ECC protection detects and corrects single-bit memory errors
  • 2666 MHz DDR4 speed matches Synology D4EU01-16G specifications
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits supported Synology NAS slots

Synology NAS Memory Upgrade

This 32 GB kit uses two 16 GB DDR4 2666 ECC UDIMM modules designed for Synology NAS systems. It targets administrators who need to expand memory capacity in compatible Synology units without changing voltage or form factor.

Unbuffered ECC Modules Only

The kit supplies two unbuffered ECC UDIMMs running at 1.2 V with CL19 latency. No heat spreaders, buffered registers or additional software are included; the change is purely added error-correcting capacity for supported Synology platforms.

DDR4 2666 ECC UDIMM Compatibility

The decisive specification is DDR4 2666 ECC unbuffered UDIMM at 1.2 V. Systems requiring registered DIMMs, different speeds, non-ECC memory or other voltages cannot use this kit.

Points forts

  • 32 GB kit expands NAS capacity for larger workloads
  • ECC protection detects and corrects single-bit memory errors
  • 2666 MHz DDR4 speed matches Synology D4EU01-16G specifications
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits supported Synology NAS slots

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

Will the 2Rx8 ECC UDIMM modules need replacement if a single chip fails?

ECC corrects single-bit errors on the fly, so the kit continues running; a module is only replaced if multi-bit errors appear or the stick fails completely.

What limits sustained throughput at DDR4 2666 CL19?

The 2666 MT/s data rate and CL19 latency set the bandwidth ceiling; the memory controller cannot exceed that speed.

How much heat does the 1.20 V 32 GB kit produce during all-day NAS workloads?

At 1.20 V the modules run cool without a heat spreader; typical case airflow is enough for continuous operation.

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