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Green 288-pin DDR4 ECC registered DIMM module with black chips, no heat spreader

OWC

OWC 32GB DDR4 2666 ECC Registered RDIMM 2Rx4 1.2V Supermicro MEM-DR432L-SL04-ER26 MEM-DR432LC-ER26 server RAM

SKU CH-WFDJ-MEVZM

32GB DDR4 2666 ECC Registered RDIMM for servers, workstations and NAS with CL19 latency and 1.2V operation

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • 32 GB capacity lets you run larger workloads
  • ECC registered design protects data integrity in servers
  • DDR4 2666 MHz speed matches Supermicro MEM-DR432L-SL04-ER26 specs
  • 2 V operation reduces power draw per module
  • Backward compatible with 2133 MHz and 2400 MHz systems

Server ECC Memory Upgrade

This 32 GB DDR4 2666 MHz registered RDIMM is built for servers, workstations and NAS systems that require ECC error correction. The module uses a 2Rx4 organisation and runs at 1.2 V with a CL19 latency. It is not compatible with standard desktop platforms or unbuffered memory configurations.

Thermals and Power Profile

Operating at the JEDEC standard 1.2 V keeps power draw low during typical server workloads. The module has no heat spreader, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, contributing to stable operation in multi-DIMM configurations.

Sustained Load Behaviour

Under continuous operation the registered design maintains signal integrity across all 288 pins. Backward compatibility with 2133 MHz and 2400 MHz speeds allows the module to clock down when the platform requires it. ECC functionality continuously corrects single-bit errors, preventing data corruption during extended compute tasks.

Points forts

  • 32 GB capacity lets you run larger workloads
  • ECC registered design protects data integrity in servers
  • DDR4 2666 MHz speed matches Supermicro MEM-DR432L-SL04-ER26 specs
  • 2 V operation reduces power draw per module
  • Backward compatible with 2133 MHz and 2400 MHz systems

Caractéristiques

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

Questions sur cet article

How do I install this 288-Pin DDR4 ECC RDIMM and what step is commonly missed?

Power down the server, open the chassis, align the notch on the 288-Pin module with the slot key, press firmly until both retention clips click, then enable ECC in the BIOS; skipping the BIOS step leaves error correction inactive.

What maintenance or replacement will this 32GB module need later?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so replacement is only needed if a memory test reports correctable errors that exceed the platform threshold.

What limit appears first under sustained load with this CL19 1.2V registered DIMM?

The memory controller’s maximum supported capacity per channel or total system limit is reached before the module’s own 2666 MT/s bandwidth or 1.2 V thermal envelope becomes a bottleneck.

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