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Green circuit board DDR4 UDIMM module with black memory chips and gold edge connectors

A-Tech

A-Tech 32GB DDR4 2666 ECC UDIMM 2Rx8 Hynix HMAA4GU7AJR8N-VK Server Memory

SKU CH-1HXC-TVD6T

32 GB DDR4 2666 ECC unbuffered DIMM with CL19 latency and 1.2 V operation

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • 32 GB capacity handles heavy server workloads
  • ECC UDIMM protects data integrity in critical applications
  • DDR4 2666 speed delivers responsive multitasking performance
  • 20 V operation reduces power draw and heat
  • 288-pin DIMM fits standard server memory slots

32GB DDR4 2666 ECC UDIMM for servers

This 32GB DDR4 2666 ECC UDIMM module targets server and workstation builds that require error-correcting unbuffered memory. It replaces the Hynix HMAA4GU7AJR8N-VK part and fits standard 288-pin DDR4 DIMM slots. Systems needing registered DIMMs or non-ECC memory cannot use this module.

Thermals noise and power at 1.2V

Operating at the standard DDR4 voltage of 1.20V, the module draws minimal power and generates low heat inside a server chassis. Passive airflow across the DIMM is sufficient for normal workloads, and no active cooling or additional fan headers are required.

CL19 CAS latency at 2666 MT/s

The module runs at DDR4 2666 (PC4-21300) with a CAS latency of 19. This timing figure determines whether the memory matches the platform's supported speed grade and latency requirements for stable operation.

Puntos fuertes

  • 32 GB capacity handles heavy server workloads
  • ECC UDIMM protects data integrity in critical applications
  • DDR4 2666 speed delivers responsive multitasking performance
  • 20 V operation reduces power draw and heat
  • 288-pin DIMM fits standard server memory slots

Especificaciones

BrandA-Tech
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Preguntas sobre este artículo

How do I install this 288-pin DDR4 ECC UDIMM in my server, and which step do people often miss?

Power off the system, open the chassis, align the notch on the 288-pin DDR4 module with the slot key, press firmly until both retention clips click, then verify in BIOS that the 32 GB stick is detected at 2666 MHz with ECC active.

What maintenance or replacement will this 32 GB DDR4 2666 ECC UDIMM need over its service life?

No routine maintenance is required; keep air vents clear so the 1.20 V modules stay cool, and replace only if memory diagnostics report uncorrectable ECC errors or the system fails to POST with the module installed.

What is the first limit that appears when this CL19 2Rx8 DDR4 2666 module runs under sustained heavy load?

The CAS latency of 19 cycles at 2666 MHz sets the baseline response time; under continuous workloads the memory controller will hit this timing ceiling before thermal throttling becomes a factor at the standard 1.20 V operating voltage.

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