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Two green DDR4 ECC SODIMM modules with gold contacts, no heat spreader

OWC

OWC 16GB (2x8GB) DDR4 2666MHz ECC SODIMM for Synology DS1823+/DS2422+

SKU CH-A4SR-HDNMV

16 GB DDR4-2666 ECC SODIMM kit adds 2×8 GB to Synology DS1823+ and DS2422+ NAS

  • Capacity16GB (2 x 8GB)
  • Type260-Pin DDR4 ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • 16 GB kit doubles NAS memory for heavier workloads
  • DDR4 2666 MHz CL19 matches DS1823+ and DS2422+ spec
  • ECC protection guards data integrity in 24/7 operation
  • JEDEC and RoHS compliant for warranty-safe upgrade
  • Backward compatible with 2400 MHz and 2133 MHz systems

Synology DS1823+ and DS2422+ memory kit

This 16 GB kit contains two 8 GB DDR4 2666 ECC SODIMM modules built for Synology DiskStation DS1823+ and DS2422+ NAS units. The unbuffered design matches the platform requirements and operates at 1.2 V with CL19 timing. It is intended for administrators who need to expand memory capacity on these specific models.

DDR4 2666 ECC SODIMM limits

The modules run at PC4-21300 speed and are backward compatible with 2400 MHz and 2133 MHz bus rates. ECC protection corrects single-bit errors but cannot prevent all data corruption scenarios. Unbuffered topology means the memory controller drives each rank directly, so total system capacity is constrained by the number of slots available in the NAS.

No heat spreader and 260-pin form factor

The bare green PCB fits the standard 260-pin SODIMM slot without extra height clearance concerns. Absence of a heat spreader keeps the profile thin for tight chassis spacing but offers no thermal buffer under sustained heavy load. JEDEC and RoHS compliance ensures the upgrade does not void the original system warranty.

Highlights

  • 16 GB kit doubles NAS memory for heavier workloads
  • DDR4 2666 MHz CL19 matches DS1823+ and DS2422+ spec
  • ECC protection guards data integrity in 24/7 operation
  • JEDEC and RoHS compliant for warranty-safe upgrade
  • Backward compatible with 2400 MHz and 2133 MHz systems

Specifications

BrandOWC
Part Number2C6D41R8016P
Capacity16GB (2 x 8GB)
Type260-Pin DDR4 ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology DiskStationDS1823+

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Questions about this item

Should I pick the 16GB kit or a single 8GB module for my DS1823+?

The kit provides two matched 8GB modules for dual-channel operation, giving 16GB total capacity in the supported DS1823+ and DS2422+ NAS units.

What does the 2666MHz rating actually deliver inside the NAS?

The modules run at DDR4 2666 CL19 1.2V, and the NAS memory controller will operate them at that speed for the rated bandwidth.

Is the 260-pin SODIMM interface compatible with standard DDR4 slots in these Synology models?

Yes, the 260-pin ECC unbuffered SODIMM fits the DDR4 SO-DIMM slots in the DS1823+ and DS2422+ and will down-clock to 2400MHz or 2133MHz if required.

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