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Two green DDR4 ECC UDIMM sticks, no heat spreader, gold edge connectors

OWC

OWC 16GB (2x8GB) DDR4 2666MHz ECC UDIMM 1Rx8 CL19 1.2V memory upgrade

SKU CH-2G0F-54JNX

16 GB ECC UDIMM kit at DDR4 2666 CL19 for Synology RS2423+ and RS2423RP+ NAS

  • Capacity16GB (2 x 8GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • ECC protection guards data integrity on Synology RackStation RS2423+ and RS2423RP+
  • 16 GB kit (2 × 8 GB) expands NAS capacity for heavier workloads
  • DDR4 2666 MHz CL19 delivers responsive throughput at standard 1.2 V
  • JEDEC and RoHS compliant modules ensure warranty-safe operation
  • Backward compatible with 2133 MHz and 2400 MHz systems for flexible deployment

OWC 16GB DDR4 2666MHz ECC Kit

This OWC kit provides 16GB of DDR4 2666MHz ECC unbuffered memory in two 8GB modules. It is built for Synology RackStation RS2423+ and RS2423RP+ NAS units. The modules run at 1.2V with CL19 latency and use a 1Rx8 rank configuration. They add capacity for virtualisation, caching and heavy multi-user workloads.

Verify NAS Model and Slot Count

Confirm your exact model is either the RS2423+ or RS2423RP+ before ordering. Check how many DIMM slots your chassis has free and whether existing modules match the 2666MHz speed. The kit is backward compatible with 2133MHz and 2400MHz systems but will run at the lowest installed speed. ECC unbuffered DDR4 is required; registered or non-ECC DIMMs will not work.

JEDEC Compliance and Lifetime Support

The modules meet JEDEC and RoHS standards for a warranty-safe upgrade. OWC includes a limited lifetime warranty with free technical support and an advanced replacement programme. No heat spreaders are fitted, keeping the profile low for dense rack chassis. There is no bundled software; the benefit comes from validated compatibility and reliable ECC operation.

Points forts

  • ECC protection guards data integrity on Synology RackStation RS2423+ and RS2423RP+
  • 16 GB kit (2 × 8 GB) expands NAS capacity for heavier workloads
  • DDR4 2666 MHz CL19 delivers responsive throughput at standard 1.2 V
  • JEDEC and RoHS compliant modules ensure warranty-safe operation
  • Backward compatible with 2133 MHz and 2400 MHz systems for flexible deployment

Caractéristiques

BrandOWC
Part Number2E6D41R8016P
Capacity16GB (2 x 8GB)
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology RackstationRS2423+
Synology RackstationRS2423RP+

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Questions sur cet article

Does the kit include both 8 GB modules or must I buy the second one separately?

The kit ships as a matched pair of two 8 GB DDR4 2666 ECC UDIMM modules, so no additional sticks are required.

Should I choose the 2Rx8 version or the 1Rx8 version listed in the part number?

The part number 2E6D41R8016P specifies 1Rx8 organisation; select this 1Rx8 kit for the correct rank configuration.

Will the CL19 latency at 2666 MHz slow down my Synology RackStation RS2423+ compared with faster memory?

The modules run at the platform's native 2666 MHz with CL19 timing and 1.2 V, matching the system's supported speed grade.

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