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Green rectangular DDR4 288-pin LRDIMM module with black chips and gold contacts

A-Tech

A-Tech 64GB DDR4 2666MHz ECC LRDIMM 4Rx4 Server Memory

SKU CH-75KY-PGHHG

64 GB DDR4 2666 MHz ECC load-reduced DIMM with 4Rx4 rank and CL19 latency for server upgrades

  • Capacity64GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64 GB capacity expands server memory headroom for larger workloads
  • DDR4 2666 MHz speed delivers high bandwidth for data-intensive tasks
  • ECC Load-Reduced DIMM corrects errors and reduces electrical load on the bus
  • 2 V operation matches standard DDR4 voltage for efficient power use
  • 288-pin DIMM form factor fits compatible server and workstation slots

64GB DDR4 LRDIMM for Servers

This 64GB DDR4 2666MHz ECC LRDIMM module is built for server and workstation platforms that require registered, load-reduced memory. It delivers 64GB of capacity in a single 288-pin DIMM running at 1.2V with CL19 latency. The 4Rx4 rank organisation suits high-density configurations where maximum memory per slot is needed.

Load-Reduced ECC with 4Rx4 Rank

The defining specification is the Load-Reduced DIMM architecture combined with ECC and a 4Rx4 rank structure. This combination reduces electrical load on the memory controller, allowing larger memory footprints than standard RDIMMs while maintaining error correction for data integrity. Systems that specify LRDIMM 4Rx4 modules at DDR4 2666 will accept this part.

Steady Throughput Under Sustained Load

Operating at the standard DDR4 voltage of 1.2V, the module maintains its rated 2666MHz speed during extended workloads typical of virtualisation, database or compute clusters. ECC circuitry continuously corrects single-bit errors without halting the system, so throughput remains consistent rather than degrading when background error rates rise. The load-reduced design keeps signal integrity stable across all ranks during prolonged, multi-threaded operation.

Points forts

  • 64 GB capacity expands server memory headroom for larger workloads
  • DDR4 2666 MHz speed delivers high bandwidth for data-intensive tasks
  • ECC Load-Reduced DIMM corrects errors and reduces electrical load on the bus
  • 2 V operation matches standard DDR4 voltage for efficient power use
  • 288-pin DIMM form factor fits compatible server and workstation slots

Caractéristiques

BrandA-Tech
SeriesCompatible Replacement for Crucial
ModelCT64G4LFQ4266
Capacity64GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesCT64G4LFQ4266

Questions sur cet article

How does the 2666MHz speed translate to real-world throughput in a server?

The DDR4 2666MHz rating (PC4-21300) indicates the module's maximum data rate; actual throughput depends on your platform's memory controller and channel population.

What does the LRDIMM 4Rx4 organisation mean for memory-channel limits?

Load Reduced DIMM with 4Rx4 rank structure reduces electrical load on the memory bus, allowing higher total capacity per channel than standard RDIMMs.

Will the 288-pin DIMM fit my server's memory slots?

This module uses the standard DDR4 288-pin DIMM form factor; it fits any server board with DDR4 DIMM slots that support LRDIMM memory.

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