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Two green DDR4 RDIMM sticks, 288-pin gold contacts, black chips, 256GB each

OWC

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

SKU CH-RHJ6-3FVF5

512 GB DDR4 3200 ECC registered server memory kit with two 256 GB octal-rank RDIMMs at CL22 and 1.2 V

Capacity 512GB (2 x 256GB)

  • ECC registered design ensures data integrity for servers
  • 512 GB total capacity across two 256 GB modules
  • DDR4 3200 speed with CL22 latency for responsive performance
  • 8Rx4 octal-rank architecture maximises memory density per slot
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server-grade ECC registered RDIMM

This OWC kit provides 512 GB of DDR4 memory in two 256 GB modules. It is built for workstations and servers that require ECC registered DIMMs and will not operate in standard desktop computers. The modules run at 3200 MT/s with a CL22 latency and a 1.2 V operating voltage.

512 GB octal-rank capacity for heavy workloads

Each 256 GB stick uses an 8Rx4 organisation, delivering very high density per slot. The 3200 PC4-25600 speed handles large virtualisation clusters, in-memory databases and heavy compute jobs, while the octal-rank design may limit the number of populated channels on some platforms. JEDEC and ROHS compliance ensures broad OEM compatibility.

Direct replacement for Hynix HMAT14JXSRB120N

The kit matches the exact part numbers listed, so it drops into qualified servers without qualification effort. It is not compatible with unbuffered or load-reduced ECC memory, so mixed populations are excluded. The upgrade makes sense when existing slots support 256 GB registered DIMMs and the workload demands the added capacity.

Ciri-ciri utama

  • ECC registered design ensures data integrity for servers
  • 512 GB total capacity across two 256 GB modules
  • DDR4 3200 speed with CL22 latency for responsive performance
  • 8Rx4 octal-rank architecture maximises memory density per slot
  • JEDEC and RoHS compliant for warranty-safe upgrades

Spesifikasi

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Will this 288-pin DDR4 3200 ECC Registered RDIMM work alongside older DDR4 RDIMMs I already have installed?

Mixing modules of different capacities, speeds or ranks can prevent the server from posting or force it to run at the slowest common speed; OWC recommends identical DIMMs for optimal performance.

How can I verify the 512GB kit is running at the rated 3200 MT/s with CL22 timings after installation?

Enter the system BIOS or UEFI and confirm the memory frequency shows 3200 MT/s and CAS latency 22; the operating system task manager or dmidecode will also report the configured speed.

Does the package include only the two 256GB RDIMMs or are any extra components such as heat spreaders or cables supplied?

The box contains the two 256GB 288-pin DDR4 3200 CL22 ECC Registered RDIMMs; no additional heat spreaders, cables or accessories are included.

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