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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 8GB DDR4 2666MHz ECC SODIMM Synology DS1823XS+ memory upgrade

SKU CH-J33M-NE40A

An 8 GB DDR4 2666 MHz ECC SODIMM module built for Synology DS1823XS+ NAS systems

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 8GB

  • ECC protection guards data integrity in your Synology DS1823XS+ NAS
  • 2666 MHz DDR4 speed matches the system's native memory bus
  • 2 V low-voltage operation reduces power draw and heat
  • 260-pin SODIMM form factor fits the DS1823XS+ memory slots directly
  • JEDEC-standard compliance ensures a warranty-safe upgrade for your Synology

Synology DS1823XS+ memory upgrade

This 8GB DDR4 ECC SODIMM is built for the Synology DiskStation DS1823XS+ NAS. It adds capacity to the system’s existing slots so the unit can hold more active data, run additional containers or serve more concurrent users. The module targets administrators who need reliable, validated memory for a production storage appliance.

Replaces 2133MHz or 2400MHz modules

The stick runs at 2666MHz CL19 and is backwards compatible with 2400MHz and 2133MHz speeds. Upgrading is worthwhile when the NAS shows high memory pressure, frequent swapping or sluggish multi-tasking under load. The jump pays off for workloads that keep large datasets or many services resident in RAM.

Fits 260-pin SODIMM slots at 1.2V

The unbuffered 1Rx8 module installs directly into the DS1823XS+ without tools or configuration changes. ECC support protects stored data against single-bit errors, while the low 1.2V draw keeps thermals modest inside the compact chassis. No heat spreader is present, so airflow around the slot remains unobstructed.

How it compares

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

Price $55.99
Cheaper than about 76% 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 $7.00 per GB
Cheaper than about 57% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2C6D41R808 GB
Total capacity8 GB
Product type260-Pin DDR4 ECC SODIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSynology DiskStationDS1823XS+

Other versions of this model

5 more in the same range

Questions about this item

Will this 260-pin DDR4 SODIMM fit the memory slot in my Synology DS1823XS+?

Yes, the module uses the standard 260-pin DDR4 SODIMM form factor that matches the DS1823XS+ memory slot exactly.

What is the correct way to seat the module so the ECC function works?

Align the notch with the slot key, insert at a slight angle, then press down firmly until both side clips click into the notches on the module edges.

If a memory error appears years later, does this ECC SODIMM have a replacement path?

The module carries a limited lifetime warranty with an advanced replacement programme, so a verified fault can be swapped without waiting for a return to process first.

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