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Two green DDR4 ECC SODIMM sticks, no heat spreader, 32GB kit

OWC

OWC 32GB (2x16GB) DDR4 2666MHz ECC SODIMM for Synology DS923+

SKU CH-69D5-0ZDTE

ECC DDR4 SODIMM kit adds 32 GB at 2666 MHz CL19 for Synology DS923+ NAS

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • 32 GB kit doubles Synology DS923+ memory for heavier workloads
  • ECC protection guards data integrity in always-on NAS operation
  • DDR4 2666 MHz CL19 matches factory spec for stable compatibility
  • Dual-rank 2Rx8 organisation maximises density within two SODIMM slots
  • 2 V JEDEC-standard modules run cool without extra power draw

Capacity and purpose

This kit provides 32GB of DDR4 ECC memory in two 16GB SODIMM modules built for the Synology DS923+ NAS. It targets administrators who need to expand system memory for virtualisation, container workloads or large file caches.

Sustained-load behaviour

ECC circuitry detects and corrects single-bit errors during continuous operation, protecting data integrity in always-on environments. The modules run at 2666MHz with CL19 latency and 1.2V, and they down-clock to 2400MHz or 2133MHz if the platform requires it.

Build and connectors

Unbuffered 260-pin SODIMMs without heat spreaders fit the tight drive-bay clearance of the DS923+. JEDEC and RoHS compliance ensures warranty-safe installation, and the 2Rx8 rank organisation matches the system's memory controller expectations.

Highlights

  • 32 GB kit doubles Synology DS923+ memory for heavier workloads
  • ECC protection guards data integrity in always-on NAS operation
  • DDR4 2666 MHz CL19 matches factory spec for stable compatibility
  • Dual-rank 2Rx8 organisation maximises density within two SODIMM slots
  • 2 V JEDEC-standard modules run cool without extra power draw

Specifications

BrandOWC
Part Number2C6D42R8032P
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology DiskStationDS923+

Other versions of this model

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Questions about this item

How much power do the two 16 GB DDR4 2666 ECC SODIMMs draw when the NAS runs continuously?

Each module operates at 1.2 V, the standard voltage for DDR4 ECC SODIMMs, so total power draw stays low even under 24/7 load.

What does the Synology DS923+ need to accept this 32 GB kit?

The DS923+ has two DDR4 SODIMM slots; this kit fills both with 260-pin ECC unbuffered modules at 2666 MHz CL19.

Will these 2666 MHz CL19 sticks work if the DS923+ currently has 2400 MHz or 2133 MHz memory installed?

Yes, the modules are backward compatible with 2400 MHz and 2133 MHz, so they will run at the speed of the slowest installed memory.

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