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Two green DDR4 ECC registered DIMMs with gold contacts, no heat spreaders

OWC

OWC 32GB (2x16GB) DDR4 2133 ECC Registered RDIMM server RAM

SKU CH-MHRC-1PEH7

32 GB dual-channel kit of ECC Registered DDR4-2133 CL15 RDIMMs for compatible Synology NAS and servers

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • ECC registered design prevents data corruption in servers and workstations
  • 32 GB dual-channel kit (2 × 16 GB) expands memory capacity for demanding workloads
  • DDR4 2133 MHz CL15 at 1.2 V delivers JEDEC-standard performance
  • 288-pin RDIMM form factor fits Synology FS3017, FS2017 and RS18017xs+ NAS systems
  • 2Rx4 registered modules ensure stable operation in multi-DIMM server configurations

ECC Registered Memory for Servers and NAS

This 32GB kit contains two 16GB DDR4 2133 registered DIMMs built for workstations, servers and compatible NAS units such as the FS3017, FS2017 and RS18017xs+. The modules operate at 1.2V with CL15 latency and provide error-correcting code protection for data integrity in multi-user environments. They will not work in standard desktop computers and must not be mixed with unbuffered or load-reduced memory.

Thermals and Power in Normal Use

Each module runs at the JEDEC-standard 1.2 volts without a heat spreader, relying on the chassis airflow typical of rackmount and tower servers. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable during sustained workloads. The dual-rank 2Rx4 organisation maintains stable operation at the rated 2133 MHz speed under continuous operation.

Build Quality and Day-to-Day Implications

The 288-pin registered DIMMs are JEDEC and RoHS compliant, manufactured to meet or exceed OEM specifications for warranty-safe upgrades. A dual-channel kit ensures matched pairs for optimal throughput in supported platforms. Buyers needing unbuffered ECC or consumer DDR4 should look elsewhere, as this product is strictly for registered memory slots.

Pluspunten

  • ECC registered design prevents data corruption in servers and workstations
  • 32 GB dual-channel kit (2 × 16 GB) expands memory capacity for demanding workloads
  • DDR4 2133 MHz CL15 at 1.2 V delivers JEDEC-standard performance
  • 288-pin RDIMM form factor fits Synology FS3017, FS2017 and RS18017xs+ NAS systems
  • 2Rx4 registered modules ensure stable operation in multi-DIMM server configurations

Specificaties

BrandOWC
Part Number2R1D42R4032P
Capacity32GB (2 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Vragen over dit artikel

How do I install the 288-pin DDR4 RDIMMs in my Synology FS3017 and what step is often missed?

Power down the NAS, open the chassis, align each 288-pin module with the slot key and press firmly until the retention clips lock; the step often missed is populating slots in the correct channel order for dual-channel operation.

What maintenance or replacement will the 2Rx4 ECC registered modules need over time?

The modules have no moving parts and no heat spreader; they require no scheduled maintenance, and replacement is only necessary if a module fails or capacity must be increased beyond 32 GB.

What limit appears first when the 2133 MHz CL15 kit runs sustained workloads in a RS18017xs+?

The registered buffer adds one cycle of latency, so memory-controller throughput saturates before the 1.2 V DDR4 chips reach thermal or voltage limits during continuous heavy use.

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