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Green DDR4 RDIMM circuit board with black memory chips and gold contacts

A-Tech

A-Tech 32GB DDR4 2666MHz ECC RDIMM 2Rx4 CL19 1.20V Server Memory

SKU CH-54EW-2ZZR2

32GB DDR4 2666MHz ECC registered server DIMM with CL19 latency and 1.20V operation

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMicron Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 32 GB capacity handles demanding server workloads
  • ECC registered design detects and corrects data errors
  • DDR4 2666 MHz speed delivers high bandwidth
  • 20 V operation reduces power consumption
  • 2Rx4 dual-rank layout maximises memory density

32GB DDR4 2666MHz ECC RDIMM

This 32GB DDR4 module runs at 2666MHz with CL19 latency and 1.20V operation. It uses a registered 2Rx4 layout with ECC for error correction. The 288-pin DIMM is built as a compatible replacement for specific Micron server part numbers. It targets administrators upgrading or repairing qualified server and workstation platforms.

Sustained load behaviour

Registered buffering and ECC maintain data integrity during continuous workloads. The 2Rx4 organisation supports stable throughput across all 32GB under prolonged read and write cycles. CL19 timing and 2666MHz speed deliver predictable latency for virtualization, database and compute tasks. Modules are tested to meet quality standards before shipping.

Thermals noise and power

Standard 1.20V DDR4 voltage keeps power draw within normal limits for registered DIMMs. Passive operation produces no audible noise in typical server chassis airflow. The Micron chipset and registered design help manage thermal output during extended use. No active cooling is required beyond standard system ventilation.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $139.99
Cheaper than about 58% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $4.37 per GB
Cheaper than about 78% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Micron
Model nameMTA36ASF4G72PZ-2G6D1QG, MTA36ASF4G72PZ-2G6D2, MTA36ASF4G72PZ-2G6E1, MTA36ASF4G72PZ-2G6H1
Total capacity32 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMicron Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V

Questions about this item

How much power does the 1.20V DDR4 2666MHz ECC RDIMM draw under sustained server workloads?

The module operates at the standard DDR4 voltage of 1.20V; actual power draw depends on the platform and load but stays within the DDR4 2666 specification for registered DIMMs.

Does my motherboard need to support registered ECC DIMMs and the 288-pin DDR4 form factor for this 32GB module to function?

Yes — the system must accept DDR4 288-pin registered ECC RDIMMs; consumer boards that only take unbuffered non-ECC memory will not work with this module.

Will the CL19 2666MHz registered ECC DIMM run stably when installed next to slower DDR4 ECC RDIMMs in the same server?

The memory controller will clock all populated slots to the lowest common speed and tightest supported timings, so this CL19 2666MHz module will down-clock to match slower registered ECC DIMMs.

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