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Green rectangular DDR4 server memory module with gold contacts and black chips on both sides

A-Tech

A-Tech 64GB DDR4 2666MHz ECC RDIMM 4Rx4 Micron MTA72ASS8G72PSZ-2S6E1 Server Memory

SKU CH-4JXJ-QRZB5

A 64GB DDR4 2666MHz ECC RDIMM module with Micron chipset, CL19 latency, 1.20V operation and 288-pin form factor for server and workstation systems

  • Capacity64GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 64GB capacity handles heavy server workloads
  • ECC RDIMM detects and corrects data errors
  • Registered design stabilises high-density memory buses
  • DDR4 2666MHz PC4-21300 delivers fast throughput
  • 20V operation matches standard DDR4 voltage

Product Identity

This is a 64GB DDR4 2666MHz ECC registered DIMM built as a compatible replacement for the Micron MTA72ASS8G72PSZ-2S6E1 module. It targets server and workstation administrators who need to expand memory capacity with validated, single-module upgrades.

Fit and Limits

The module suits systems that accept 288-pin DDR4 RDIMMs with 4Rx4 organisation, CL19 timing and 1.2V operation. It will not work in platforms limited to UDIMM or LRDIMM form factors, nor in boards that cannot address 64GB per slot or that require a different rank configuration.

Deciding Specification

The 4Rx4 registered ECC organisation at DDR4 2666MHz is the single attribute that determines whether this module matches the memory controller and slot population rules of the target server.

Points forts

  • 64GB capacity handles heavy server workloads
  • ECC RDIMM detects and corrects data errors
  • Registered design stabilises high-density memory buses
  • DDR4 2666MHz PC4-21300 delivers fast throughput
  • 20V operation matches standard DDR4 voltage

Caractéristiques

BrandA-Tech
SeriesCompatible Replacement for Micron
ModelMTA72ASS8G72PSZ-2S6E1
Capacity64GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2S2Rx4 (4Rx4)
ChipsetMicron Chipset
FeaturesMTA72ASS8G72PSZ-2S6E1

Questions sur cet article

How do I install this 288-pin DDR4 RDIMM and what step is commonly missed?

Align the notch on the module with the key in the 288-pin slot, press down firmly until both side clips click locked, then verify the system recognises the full 64 GB and ECC function in BIOS or the OS memory report.

What maintenance or replacement will this ECC RDIMM need over time?

No scheduled maintenance is required; if a correctable error count rises or the module fails POST, replace the individual 64 GB stick — ECC handling is automatic and no battery or firmware update is involved.

What limit appears first when this 2666 MHz registered memory runs sustained workloads?

The CL19 latency at 1.20 V and the quad-rank 4Rx4 organisation set the bandwidth ceiling; sustained throughput cannot exceed the PC4-21300 rating regardless of cooling or CPU capability.

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