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Two green DDR4 ECC RDIMM sticks, black chips, gold contacts

OWC

OWC 512GB (2×256GB) DDR4 3200 CL22 8Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-9J1C-4KPME

A 512 GB DDR4 3200 ECC registered RDIMM kit (2×256 GB, CL22, 8Rx4, 288-pin, 1.2 V) validated for Supermicro H12SSW-iN, X12DPG-OA, H11DSi, H11SSL-NC and H12SSW-NT motherboards

Capacity 512GB (2 x 256GB)

  • ECC registered design prevents data corruption in critical workloads
  • 512 GB total capacity across two 256 GB modules
  • DDR4 3200 speed with CL22 latency for responsive server operation
  • 8Rx4 octal-rank architecture maximises density per DIMM slot
  • Validated for Supermicro H12SSW-iN, X12DPG-OA, H11DSi, H11SSL-NC, H12SSW-NT

Server-grade ECC memory kit

This OWC kit provides 512GB of DDR4 3200 ECC Registered RDIMM memory across two 256GB modules. It is built for Supermicro motherboards including the H12SSW-iN, X12DPG-OA, H11DSi, H11SSL-NC and H12SSW-NT. The modules run at 1.2V with CL22 latency and an 8Rx4 octal-rank organisation. They are designed for workstation and server platforms that require registered error-correcting memory.

For servers needing registered ECC

This upgrade suits administrators expanding compatible Supermicro systems or replacing failed DIMMs with validated modules. It will not work in standard desktop computers or any platform that requires unbuffered or load-reduced memory. Builders who need a different form factor, voltage or rank configuration should look elsewhere. Mixing these DIMMs with other memory types is explicitly not supported.

512GB total in two 256GB RDIMMs

The kit delivers 512GB via two 288-pin DDR4 3200 PC4-25600 CL22 8Rx4 registered modules. This specific capacity, rank structure and registered ECC design determine whether the kit matches the motherboard's qualified vendor list. Verify that your Supermicro board lists the OWC part or the cross-referenced Samsung, Hynix and Supermicro part numbers before purchasing.

Punti di forza

  • ECC registered design prevents data corruption in critical workloads
  • 512 GB total capacity across two 256 GB modules
  • DDR4 3200 speed with CL22 latency for responsive server operation
  • 8Rx4 octal-rank architecture maximises density per DIMM slot
  • Validated for Supermicro H12SSW-iN, X12DPG-OA, H11DSi, H11SSL-NC, H12SSW-NT

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Domande su questo articolo

How much power does the 1.2V DDR4 kit draw when the server runs continuously?

Each 256 GB module operates at 1.2 V, the standard voltage for DDR4 registered DIMMs, keeping power draw low during all-day workloads.

Which motherboard must I already own for this 512 GB upgrade to work?

The kit is validated for Supermicro H12SSW-iN, X12DPG-OA, H11DSi, H11SSL-NC and H12SSW-NT motherboards.

Can I keep my existing Samsung M393ABG40M52-CAE sticks alongside these new 256 GB modules?

Yes, the upgrade matches Samsung M393ABG40M52-CAE, Hynix HMAT14JXSRB120N, HMAT14JXSRB122N and Supermicro MEM-DR425MI-ER32 part numbers.

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