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

OWC

OWC 64GB DDR4 2666 CL19 4Rx4 288-pin 1.2V ECC Load Reduced LRDIMM server RAM

SKU CH-Z77Z-R6RYX

64GB DDR4 2666 ECC load-reduced LRDIMM for servers, workstations and NAS, CL19 1.2V 288-pin 4Rx4, backward compatible with 2133 and 2400MHz

  • Capacity64GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • ECC load-reduced design protects data integrity in servers
  • 64 GB capacity expands memory for demanding workloads
  • DDR4 2666 speed matches PC4-21300 bandwidth
  • 2 V operation reduces power draw
  • Backward compatible with 2133 and 2400 MHz systems

64 GB DDR4 LRDIMM for servers and workstations

This module delivers 64 GB of ECC load-reduced DDR4 memory built for servers, workstations and compatible NAS systems. It operates at 1.2 V and uses the 288-pin form factor required by those platforms. It is not compatible with standard desktop computers or unbuffered memory configurations.

Capacity and headroom

A single 64 GB stick provides substantial headroom for virtualisation, large databases and memory-intensive workloads. The module runs at 2666 MHz with CL19 latency and is backward compatible with 2133 MHz and 2400 MHz bus speeds. Systems that require registered or load-reduced DIMMs will benefit; those limited to unbuffered memory cannot use this module.

Load-reduced ECC registered design

The 4Rx4 load-reduced architecture reduces electrical load on the memory controller, allowing higher densities per channel than standard registered DIMMs. This specification determines whether the part matches your platform's memory topology and ECC requirements.

Pontos fortes

  • ECC load-reduced design protects data integrity in servers
  • 64 GB capacity expands memory for demanding workloads
  • DDR4 2666 speed matches PC4-21300 bandwidth
  • 2 V operation reduces power draw
  • Backward compatible with 2133 and 2400 MHz systems

Especificações

BrandOWC
Part Number2L6D44R464GB
Capacity64GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo

Perguntas sobre este artigo

Will the 2666 MHz LRDIMM run with my existing 2133 MHz ECC modules?

The module is backward compatible with 2133 MHz and 2400 MHz systems, so it will operate at the speed of the slowest installed DIMM.

How can I verify the 64 GB LRDIMM is detected correctly after installation?

Check the server BIOS or operating system memory report for 64 GB at 2666 MHz with ECC and load-reduced status shown.

Does the single 288-pin LRDIMM ship alone or with extra parts?

Only the 64 GB DDR4 2666 CL19 4Rx4 1.2 V ECC load-reduced DIMM is included; no cables, brackets or additional memory are supplied.

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