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Green 288-pin DDR4 LRDIMM module with black chips and silver label

A-Tech

A-Tech 64GB DDR4 2666 ECC LRDIMM 4Rx4 CL19 1.2V Server Memory

SKU CH-7ZR2-V3G3K

64 GB DDR4 2666 ECC load-reduced DIMM with 4Rx4 ranks and CL19 latency for server memory expansion

  • Capacity64GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64 GB capacity supports heavy virtualisation workloads
  • DDR4 2666 MHz speed delivers high memory bandwidth
  • ECC LRDIMM design corrects errors for server reliability
  • 4Rx4 organisation enables dense 64 GB single-module configuration
  • 2 V operation matches standard DDR4 power envelope

64GB DDR4 2666 ECC LRDIMM Server Module

This 64GB DDR4 2666 ECC LRDIMM module is built for servers and workstations that need high-density registered memory with error correction. The 4Rx4 Load Reduced design lowers electrical load on the memory bus so larger capacities remain stable. It runs at 1.2V standard DDR4 voltage and carries CL19 latency. Buyers who need non-ECC UDIMMs or consumer SO-DIMMs cannot use this module.

Direct Replacement for Micron MTA72ASS8G72LZ-2G6

This part matches the Micron MTA72ASS8G72LZ-2G6 and MTA72ASS8G72LZ-2G6B2 specifications, making it a drop-in substitute when those OEM modules reach end of life or stock runs short. The upgrade is worth it when your platform supports DDR4 2666 LRDIMM and you need to expand beyond the limits of standard RDIMM ranks. Systems limited to lower speeds or unbuffered memory will not benefit.

288-Pin DIMM Installation with Platform Checks

Installation follows standard 288-pin DIMM seating: align the notch, press evenly until the retention clips lock, then verify POST recognition. Common issues arise when the server BIOS lacks support for 4Rx4 LRDIMM population rules or when mixed-rank configurations violate the vendor memory population guide. Always confirm the qualified vendor list before adding modules.

Puntos fuertes

  • 64 GB capacity supports heavy virtualisation workloads
  • DDR4 2666 MHz speed delivers high memory bandwidth
  • ECC LRDIMM design corrects errors for server reliability
  • 4Rx4 organisation enables dense 64 GB single-module configuration
  • 2 V operation matches standard DDR4 power envelope

Especificaciones

BrandA-Tech
Capacity64GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Preguntas sobre este artículo

Does this 288-pin DDR4 LRDIMM fit a standard server DIMM slot?

Yes, the module uses the 288-pin DDR4 DIMM form factor and 1.2 V operation, so it installs in any server motherboard slot wired for DDR4 LRDIMM memory.

What is the correct seating procedure for the 4Rx4 load-reduced module?

Align the notch with the slot key, press straight down until both retention clips click, and verify the module sits flush — the most common mistake is stopping before the clips fully engage.

When should this 64 GB ECC LRDIMM be replaced?

Replace the module if the system logs uncorrectable ECC errors, fails memory diagnostics, or becomes unstable under load; otherwise it requires no scheduled maintenance.

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