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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 64GB DDR4 2933 CL21 ECC Registered RDIMM 2Rx4 1.2V 288-pin memory upgrade

SKU CH-KKJA-52XNS

64GB DDR4 ECC registered RDIMM running at 2933MHz for compatible HP ProLiant Gen10 servers

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 64GB

  • ECC registered design protects data integrity in server workloads
  • 64GB single module expands memory capacity for virtualisation
  • DDR4 2933 speed matches HP ProLiant Gen10 specifications
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133 2400 2666 MHz systems

Server Memory Upgrade

This 64GB DDR4 2933 CL21 ECC registered RDIMM is built for HP ProLiant DL560 Gen10, DL580 Gen10, DX360 Gen10, DX380 Gen10 and DX560 Gen10 servers. It runs at 1.2V with a 2Rx4 rank structure and 288-pin form factor. The module replaces multiple HP part numbers including P19045-K21 and P00930-B21. It is designed for workloads that require error correction and registered buffering.

Installation Notes

The DIMM installs like any standard 288-pin DDR4 module but the system must support ECC registered memory. It will not work in desktops or platforms that require unbuffered or load-reduced DIMMs. Mixing it with those types prevents the server from posting. Backward compatibility with 2133, 2400 and 2666 MHz bus speeds is supported by the module itself.

Who Should Buy

Suits administrators expanding memory in the listed ProLiant Gen10 models or building new configurations on those platforms. Buyers needing unbuffered ECC for workstation boards should look elsewhere. Systems limited to lower maximum capacities per slot cannot use this 64GB density. Anyone without a compatible HP ProLiant Gen10 server will not be able to use the module.

Puntos fuertes

  • ECC registered design protects data integrity in server workloads
  • 64GB single module expands memory capacity for virtualisation
  • DDR4 2933 speed matches HP ProLiant Gen10 specifications
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133 2400 2666 MHz systems

Especificaciones

BrandOWC
Part Number2R9D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemHP ProLiant DL560 Gen10
HP ProLiant DL580 Gen10
HP ProLiant DX360 Gen10
HP ProLiant DX380 Gen10
HP ProLiant DX560 Gen10

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Preguntas sobre este artículo

How do I confirm the 64GB DDR4 2933 CL21 ECC Registered RDIMM is detected at the correct speed after installation?

Enter the server BIOS or UEFI and verify the module shows 64GB capacity, 2933MHz speed, CL21 timings, 1.2V voltage and ECC Registered status.

What comes in the box with the OWC 2R9D42R464GB module and do I need any extra parts for my HP ProLiant DL560 Gen10?

The box contains one 64GB 288-pin DDR4 ECC Registered RDIMM. No extra cables, brackets or tools are required for installation in compatible HP ProLiant servers.

Should I choose the single 64GB 2Rx4 stick or buy multiple smaller modules to fill the DL580 Gen10 memory slots?

This listing is for one 64GB 2Rx4 module. Add additional identical modules to reach your desired total capacity and to match the server's channel population rules.

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