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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 32GB DDR4 2666 ECC Registered RDIMM server RAM

SKU CH-SSVC-QT21Y

32 GB DDR4 2666 ECC registered RDIMM for Synology FlashStation SA3400, SA410, SA3600 and SA3610 NAS systems

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB

Rank 2Rx4

  • 32 GB capacity expands server memory for larger workloads
  • DDR4 2666 MHz PC4-21300 speed delivers high data throughput
  • ECC registered design detects and corrects memory errors
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133 MHz and 2400 MHz systems

Server ECC Registered DDR4 32GB

This 32GB DDR4 2666 ECC Registered RDIMM is built for servers, workstations and NAS systems that require registered memory with error correction. It will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced modules. The single 288-pin module runs at 1.2V with CL19 latency and a 2Rx4 rank configuration.

Thermals noise power normal use

Without a heat spreader the module relies on system airflow, drawing 1.2V at the JEDEC-standard voltage for DDR4. Registered buffering reduces electrical load on the memory controller, helping keep power draw predictable during typical multi-user workloads. The design targets quiet, stable operation in rackmount and tower chassis where fan curves are tuned for sustained throughput rather than burst speed.

Sustained load behaviour

ECC detection and correction operates continuously, protecting data integrity during long compute jobs or 24/7 NAS services. Backward compatibility with 2133MHz and 2400MHz buses allows the DIMM to clock down automatically when the platform demands it, maintaining stability without manual tuning. The registered architecture keeps signal quality consistent across fully populated channels during extended heavy traffic.

Puntos fuertes

  • 32 GB capacity expands server memory for larger workloads
  • DDR4 2666 MHz PC4-21300 speed delivers high data throughput
  • ECC registered design detects and corrects memory errors
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133 MHz and 2400 MHz systems

Especificaciones

BrandOWC
Part Number2R6D42R432GB
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

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Preguntas sobre este artículo

How do I install the 288-pin DDR4 RDIMM in my Synology SA3600, and what step is often missed?

Power off the NAS, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both side clips click, then verify in DSM that the 32GB module is recognised at 2666 MHz; the step often missed is seating the module fully so both clips engage.

What maintenance or replacement will the 32GB ECC Registered module need over time?

No routine maintenance is required; the module has no heat spreader and runs at 1.2V, so replacement is only needed if a memory error appears or capacity must be increased beyond the single 32GB DIMM.

What limit appears first when the RDIMM runs sustained workloads at 2666 MHz CL19?

The first limit is the JEDEC-standard 1.2V voltage and CL19 latency ceiling; the module cannot exceed 2666 MHz and will throttle or error if the system requests higher speed or lower latency than specified.

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