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Two green DDR4 server RDIMMs with gold contacts and black chips

OWC

OWC 512GB (2x256GB) DDR4 3200 CL22 8Rx4 ECC Registered RDIMM

SKU CH-5T8J-YD1V0

512 GB kit of two 256 GB DDR4 3200 ECC registered RDIMMs for compatible servers and workstations

Capacity 512GB (2 x 256GB)

  • ECC registered design prevents data corruption in critical workloads
  • 512 GB kit (2×256 GB) maximises server memory capacity
  • DDR4 3200 CL22 8Rx4 modules deliver high-density registered performance
  • 2 V JEDEC-standard voltage ensures broad platform compatibility
  • Validated against Samsung M393ABG40M52-CAE and Hynix HMAT14JXSRB120N/HMAT14JXSRB122N

Server ECC RDIMM kit

This OWC kit provides 512GB of DDR4 server memory across two 256GB modules. It is built for workstations, servers and NAS systems that require registered ECC RDIMMs. Standard desktop computers cannot use this memory type. Mixing with unbuffered or load-reduced DIMMs is not supported.

Sustained operation behaviour

The modules run at 3200 MT/s with CL22 latency at 1.2V under JEDEC PC4-25600 specification. ECC registered design corrects single-bit errors and detects multi-bit errors during continuous workloads. Octal-rank 8Rx4 organisation increases density for memory-intensive server tasks without exceeding the voltage envelope.

Deciding specification

Each DIMM is a 256GB 288-pin DDR4 3200 CL22 8Rx4 ECC registered module at 1.2V. The kit matches Samsung M393ABG40M52-CAE, Hynix HMAT14JXSRB120N and HMAT14JXSRB122N, and Supermicro MEM-DR425MI-ER32 part numbers. Buyers needing unbuffered memory or lower-density modules must choose a different product.

Points forts

  • ECC registered design prevents data corruption in critical workloads
  • 512 GB kit (2×256 GB) maximises server memory capacity
  • DDR4 3200 CL22 8Rx4 modules deliver high-density registered performance
  • 2 V JEDEC-standard voltage ensures broad platform compatibility
  • Validated against Samsung M393ABG40M52-CAE and Hynix HMAT14JXSRB120N/HMAT14JXSRB122N

Caractéristiques

Aucune caractéristique publiée pour cet article pour l’instant.

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Questions sur cet article

How much power do the 288-pin 1.2V DDR4 RDIMMs draw under sustained server workloads?

Each module operates at the standard DDR4 1.2 V; total system draw depends on the platform's memory controller and the number of populated slots.

What must the motherboard provide to run this 8Rx4 ECC Registered kit?

The board needs DDR4 RDIMM slots that support 256 GB octal-rank modules at 3200 MT/s and must not mix these with unbuffered or load-reduced DIMMs.

Can I add these 256 GB modules alongside my existing 32 GB Samsung DDR4 RDIMMs?

Mixing different capacities or ranks is not recommended; OWC advises using identical capacity, speed and manufacturer for optimal stability.

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