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Green rectangular circuit board with black memory chips and gold edge connectors

OWC

OWC 64GB DDR4 2933MHz PC4-23400 CL21 2Rx4 ECC Registered RDIMM 1.2V 288-pin server RAM

SKU CH-7QCM-K0GFM

Single 64 GB DDR4 2933 MHz ECC registered RDIMM for servers and workstations

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

Capacity 64GB

Voir les 4 autres configurations

Rank 2Rx4

  • 64GB single module maximises server capacity
  • ECC registered design protects data integrity in critical workloads
  • DDR4 2933MHz CL21 delivers responsive performance for virtualisation
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

64 GB DDR4 ECC RDIMM for servers

This single 64 GB DDR4 2933 MHz module is built for enterprise servers, workstations and compatible NAS systems. It carries PC4-23400 timing with CL21 latency and runs at 1.2 V. The registered 2Rx4 design adds ECC protection and signal buffering that standard desktop boards cannot use.

Sustained-load stability and compatibility

Registered ECC circuitry corrects single-bit errors on the fly and reduces electrical load on the memory controller during long compute sessions. The module is validated at 2933 MHz and will also operate at 2133 MHz, 2400 MHz and 2666 MHz when the platform requires a lower speed.

Thermals and power in normal use

Without a heat spreader the module relies on chassis airflow, drawing minimal power at the JEDEC-standard 1.2 V. Registered buffering keeps signal integrity clean under continuous load while the low voltage helps contain system-level power draw in dense server configurations.

Points forts

  • 64GB single module maximises server capacity
  • ECC registered design protects data integrity in critical workloads
  • DDR4 2933MHz CL21 delivers responsive performance for virtualisation
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

Caractéristiques

BrandOWC
Part Number2R9D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

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Questions sur cet article

How much power does the 1.2V 64GB DDR4 module draw under sustained load?

The module operates at the standard DDR4 voltage of 1.2V. Actual power draw depends on the server platform and workload, but registered ECC DIMMs at this voltage are designed for efficient 24/7 operation in dense configurations.

What motherboard features are required for this 288-pin ECC registered RDIMM to function?

You need a server or workstation board with DDR4 RDIMM slots that support ECC and registered memory. Standard desktop motherboards that take only unbuffered UDIMMs will not work with this module.

Will this 2933MHz CL21 stick run stably in a system that currently uses 2400MHz ECC registered memory?

Yes. The module is backward compatible with 2133MHz, 2400MHz and 2666MHz speeds. When mixed, all DIMMs will run at the lowest common speed supported by the platform.

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