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Green circuit board with black memory chips, gold edge connector, small rectangular stick module

NEMIX RAM

NEMIX RAM 8GB DDR4 2666 ECC SODIMM Synology DS2422+

SKU CH-RJ98-XKJYS

8GB DDR4 2666 ECC SODIMM module validated for Synology DS2422+ NAS upgrades

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • ECC protects data integrity for critical NAS workloads
  • 2666 MHz DDR4 speed matches Synology DS2422+ specifications
  • 2 V operation reduces power draw and heat
  • Single-rank 1Rx8 layout ensures broad motherboard compatibility
  • 260-pin SODIMM form factor fits NAS memory slots directly

Synology DS2422+ 8 GB ECC SODIMM

This 8 GB DDR4 2666 ECC SODIMM is built for the Synology RackStation DS2422+ NAS. It adds error-correcting memory to a single slot, helping the system maintain data integrity during heavy file serving or virtualization workloads. The module is unbuffered and runs at 1.20 V.

DDR4 2666 speed and CL19 latency

The DDR4 2666 interface caps transfer rates at PC4-21300 bandwidth with a CAS latency of 19. ECC operation adds a parity check cycle, so raw throughput is slightly lower than non-ECC equivalents at the same clock. The 260-pin form factor fits only DDR4 SODIMM slots.

Upgrade from non-ECC or lower capacity

Replacing a non-ECC module removes silent data corruption risk for ZFS or Btrfs volumes. Moving from 4 GB to 8 GB per slot doubles the addressable memory for Docker containers or VMs. The jump is worth it when the NAS runs multiple services or hosts large deduplication tables.

How it compares

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

Price $59.99
Cheaper than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% 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).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSynology Compatible Series NAS Memory
Model nameSynology DDR4 2666 MHz ECC Unbuffered SODIMM
Part numberMSE21300-818K1
Total capacity8 GB
Product type260-PIN DDR4 ECC SODIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSynology
In the box
Included items8 GB (1 × 8 GB) DDR4 2666 MHz PC4-21300 1Rx8 1.2 V CL19 260-PIN ECC Unbuffered SODIMM

Questions about this item

Should I buy one 8 GB module or fill multiple slots for the Synology DS2422+?

Each module is a single 8 GB stick; add as many as the NAS slots allow to reach your desired total capacity.

What does the 2666 MHz rating deliver inside the DS2422+?

The memory runs at DDR4 2666 (PC4-21300) with CL19 latency, providing ECC error correction for data integrity in the NAS.

Will the 260-pin DDR4 SODIMM fit and work at the rated speed?

Yes, it is a 260-pin DDR4 ECC unbuffered SODIMM at 1.2 V, matching the DS2422+ memory slot and voltage requirements.

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