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Green circuit board with black chips, 260-pin DDR4 SODIMM, no heat spreader

NEMIX RAM

NEMIX RAM 4GB DDR4 2400 CL17 SODIMM Synology Compatible memory upgrade

SKU CH-D85Q-9WQSK

Adds 4 GB of DDR4 2400 CL17 SODIMM memory to compatible Synology NAS systems

  • Total capacity4 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL17
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 4GB capacity expands NAS memory for heavier workloads
  • DDR4 2400 speed matches Synology system requirements
  • CL17 latency supports responsive data access
  • 20V operation reduces power draw and heat
  • 260-pin SODIMM form factor fits compatible Synology DiskStation bays

4 GB DDR4 SODIMM for Synology NAS

This module is a 4 GB DDR4 SODIMM rated at 2400 MT/s with CL17 latency. It uses a 260-pin unbuffered non-ECC layout at 1.20 V and is validated for Synology DiskStation systems.

Suitable for Synology owners adding capacity

It suits administrators who need a single 4 GB stick to expand a compatible Synology NAS. Builders requiring ECC protection, registered modules, higher capacities per slot, or speeds beyond 2400 MT/s should look elsewhere.

Speed grade 2400 MT/s (PC4-19200)

The decisive specification is the 2400 MT/s DDR4 rating matched to PC4-19200 bandwidth. Confirm the target NAS accepts this speed and a non-ECC 260-pin SODIMM before purchase.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $29.99
Cheaper than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $7.50 per GB
Cheaper than about 54% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineSynology Compatible Series NAS Memory
Model nameSynology DDR4 2666 MHz Non-ECC Unbuffered SODIMM
Part numberMS19200-418K1
Total capacity4 GB
Product type260-PIN DDR4 SODIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL17
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSynology
In the box
Included items4 GB (1 × 4 GB) DDR4 2400 MHz PC4-19200 1Rx8 1.35 V 260-PIN Non-ECC Unbuffered SODIMM

Questions about this item

Does this 260-pin SODIMM fit the memory slot on my Synology DiskStation?

Yes, the module uses the standard 260-pin DDR4 SODIMM form factor used by compatible Synology NAS units.

What is the correct orientation for inserting the module, and which notch alignment do people miss?

Align the off-centre notch on the gold edge connector with the key in the slot, press firmly until the side clips click into place.

Will I need to replace this memory if I upgrade to a newer Synology model that requires faster speeds?

The module runs at 2400 MT/s with CL17 latency; a future system needing 2666 MT/s would require faster memory.

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