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Two green server memory modules with gold contacts

OWC

OWC 512GB (2x256GB) DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC Registered RDIMM server RAM

SKU CH-P8JD-WRJDZ

512 GB DDR4 3200 ECC registered RDIMM kit (two 256 GB modules) for servers and workstations

Capacity 512GB (2 x 256GB)

  • ECC registered design protects data integrity in servers
  • 512 GB total capacity across two 256 GB modules
  • DDR4 3200 speed with CL22 latency for responsive performance
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 2 V operation reduces power draw in dense configurations

Server-grade ECC registered memory

This OWC kit provides 512 GB of DDR4 ECC registered RDIMM in two 256 GB modules. It is built for workstations and servers that require registered memory with error correction. The modules will not work in standard desktop computers or alongside unbuffered or load-reduced DIMMs.

288-pin 1.2 V DDR4 3200 integration

Each module uses a 288-pin interface at 1.2 V and runs at 3200 MT/s with CL22 latency. The octal-rank 8Rx4 organisation fits servers designed for registered ECC DIMMs. Matching capacity, speed and manufacturer across all slots is recommended for best stability.

Replaces Samsung M393ABG40M52-CAE

This kit directly replaces the Samsung part number M393ABG40M52-CAE in compatible systems. The upgrade is worthwhile when a server needs the full 512 GB capacity or when existing registered ECC modules have reached their limit. It is not suitable for platforms that only accept unbuffered or load-reduced memory.

Punti di forza

  • ECC registered design protects data integrity in servers
  • 512 GB total capacity across two 256 GB modules
  • DDR4 3200 speed with CL22 latency for responsive performance
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 2 V operation reduces power draw in dense configurations

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Domande su questo articolo

What is the CAS latency of the DDR4 3200 modules under sustained use?

The CAS latency is CL22, which is the timing limit that applies during continuous operation.

How much power does each 256 GB registered DIMM draw at 1.2 V when running all day?

Each module operates at 1.2 V, the standard voltage for DDR4 registered memory, keeping heat and power draw low during extended workloads.

Which server platforms accept 8Rx4 288-pin ECC registered RDIMMs like these?

They are built as a direct replacement for the Samsung M393ABG40M52-CAE part, so any system qualified for that module will accept this kit.

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