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Eight green DDR4 RDIMM modules with gold contacts, no heat spreaders

OWC

OWC 512GB (8x64GB) DDR4 2933 CL21 2Rx4 ECC Registered RDIMM memory upgrade

SKU CH-HEYH-FNTBZ

Eight 64 GB DDR4-2933 CL21 ECC registered RDIMMs totalling 512 GB for HP Cloudline Gen10 servers

  • Capacity512GB (8 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 512GB (8 x 64GB)

  • 512 GB total capacity across eight 64 GB modules
  • DDR4 2933 MT/s CL21 for high-throughput server workloads
  • ECC registered 2Rx4 design protects data integrity in critical applications
  • 2 V operation reduces power draw in dense configurations
  • Validated for HP Cloudline CL2600, CL3100, CL4100 and CL5800 Gen10 systems

Server ECC registered kit

This 512GB kit contains eight 64GB DDR4 2933 CL21 registered ECC RDIMMs built for HP Cloudline CL2600 Gen10, CL3100 Gen10, CL4100 Gen10 and CL5800 Gen10 servers. Each module is a 288-pin 2Rx4 device operating at 1.2V with on-die error correction and register buffering. The kit replaces a long list of HP part numbers including P19045-K21, P00930-H21 and P14636-001. It is not compatible with standard desktop computers or with unbuffered or load-reduced memory.

Replaces older DDR4 speeds

The modules run at 2933 MT/s and are backward compatible with 2133, 2400 and 2666 MT/s slots, so they can upgrade systems originally populated with slower DDR4 registered DIMMs. The jump is worth it when the platform supports 2933 MT/s natively and the workload benefits from the higher bandwidth and larger per-module capacity. Buyers who need unbuffered ECC or consumer DDR4 should look elsewhere because this kit uses registered signalling only.

512GB total capacity

Eight 64GB ranks provide 512GB of registered ECC memory, giving ample headroom for virtualisation, large databases and memory-intensive compute tasks on the supported Cloudline platforms. The 2Rx4 organisation keeps electrical loading low while maximising density per channel. Systems limited to fewer than eight DIMM slots or lower maximum memory per socket will not be able to use the full kit.

Pontos fortes

  • 512 GB total capacity across eight 64 GB modules
  • DDR4 2933 MT/s CL21 for high-throughput server workloads
  • ECC registered 2Rx4 design protects data integrity in critical applications
  • 2 V operation reduces power draw in dense configurations
  • Validated for HP Cloudline CL2600, CL3100, CL4100 and CL5800 Gen10 systems

Especificações

BrandOWC
Part Number2R9D42R4512K
Capacity512GB (8 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemHP Cloudline CL2600 Gen10
HP Cloudline CL3100 Gen10
HP Cloudline CL4100 Gen10
HP Cloudline CL5800 Gen10

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Perguntas sobre este artigo

Will the 288-pin RDIMMs fit the DIMM slots in my HP Cloudline CL4100 Gen10?

Yes, the kit is built for the CL2600, CL3100, CL4100 and CL5800 Gen10 platforms and uses the standard 288-pin registered DDR4 form factor those servers require.

Do I need to populate all eight channels at once, or can I add the 64 GB modules one at a time?

Install the modules in matched pairs per channel following the server's memory population guide; mixing registered ECC with unbuffered or load-reduced DIMMs is not supported.

When should I expect to replace one of these 64 GB RDIMMs?

The modules carry a limited lifetime warranty and are tested to JEDEC and RoHS standards, so replacement is only needed if a module fails or capacity requirements grow beyond 512 GB.

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