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Four green DDR4 ECC SODIMM sticks, 260-pin, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4×16GB) DDR4 2666 ECC SODIMM Synology DS3617xsII memory upgrade

SKU CH-2CQE-9DVDB

A 64 GB kit of four 16 GB DDR4 2666 ECC unbuffered SODIMM modules for Synology DS3617xsII NAS

  • Capacity64GB (4 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64 GB total capacity for demanding NAS workloads
  • Four 16 GB modules populate all slots
  • DDR4 2666 speed with CL19 latency
  • ECC unbuffered design protects data integrity
  • 20 V operation reduces power draw

Synology DS3617xsII 64GB ECC kit

This 64GB kit contains four 16GB DDR4 2666 ECC unbuffered SODIMM modules built for the Synology DiskStation DS3617xsII. Each stick runs at 1.2V with CL19 timing and a 2Rx8 organisation. The ECC design helps protect data integrity in a NAS that runs continuous workloads.

Verify four free SODIMM slots

Before ordering confirm that your DS3617xsII has four available 260-pin SODIMM slots and that the system BIOS accepts DDR4 2666 ECC unbuffered memory at 1.2V. The modules are sold as a matched 4×16GB kit so installing them together avoids mixed-rank or mixed-speed issues. Check the Synology hardware guide for the exact slot population order.

Adds 64GB to a NAS without extra power or cooling

The kit plugs directly into the existing SODIMM sockets and draws standard 1.2V DDR4 power so no additional power connectors or cooling changes are required. Adding 64GB frees the system from memory pressure during heavy file serving virtualization or container tasks. The unbuffered ECC design keeps the signal path simple while still providing error correction for critical data.

Pontos fortes

  • 64 GB total capacity for demanding NAS workloads
  • Four 16 GB modules populate all slots
  • DDR4 2666 speed with CL19 latency
  • ECC unbuffered design protects data integrity
  • 20 V operation reduces power draw

Especificações

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2666MHZ ECC Unbuffered SODIMM
Part NumberMSE21300-628K4
Capacity64GB (4 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 Content64GB (4X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT

Perguntas sobre este artigo

Does the kit include all four 16 GB modules or must any be purchased separately?

The kit ships as a single package containing four 16 GB modules, giving 64 GB total with nothing else to buy.

Why choose the 64 GB (4×16 GB) kit instead of a smaller capacity?

It fills all four slots of the DS3617xsII with matched 16 GB sticks, delivering the maximum supported 64 GB in one validated kit.

What does the 2666 MT/s rating mean once the modules are installed in the DS3617xsII?

The memory will run at DDR4 2666 (PC4-21300) with CL19 latency at 1.2 V, providing the rated ECC unbuffered performance for the NAS.

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