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

A-Tech

A-Tech 4GB DDR4 2133MHz ECC UDIMM 1Rx8 Server Memory

SKU CH-12FZ-YXSWT

A 4 GB DDR4 2133 MHz ECC UDIMM module with CL15 latency and 1.2 V operation for server upgrades

  • Capacity4GB
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ECC protection guards data integrity with single-bit error correction
  • 2133 MHz DDR4 speed delivers responsive server performance
  • 2 V operation reduces power draw and heat output
  • 288-pin UDIMM form factor fits standard server slots
  • 4 GB capacity adds affordable memory headroom for workloads

Compatible Hynix Replacement

This 4GB DDR4 module is built as a direct replacement for Hynix HMA451U7MFR8N-TF. It targets server and workstation systems that require ECC unbuffered memory. Buyers needing registered DIMMs or higher-capacity kits will need a different product.

Thermals And Power Draw

The module operates at the standard DDR4 voltage of 1.20V, keeping power draw low during normal workloads. No active cooling is required on the DIMM itself, so system fan noise remains unaffected.

Testing And Support

Every unit undergoes quality assurance testing for reliable operation in compatible systems. A-Tech provides lifetime warranty coverage and US-based technical support to assist with compatibility verification and installation questions.

Puntos fuertes

  • ECC protection guards data integrity with single-bit error correction
  • 2133 MHz DDR4 speed delivers responsive server performance
  • 2 V operation reduces power draw and heat output
  • 288-pin UDIMM form factor fits standard server slots
  • 4 GB capacity adds affordable memory headroom for workloads

Especificaciones

BrandA-Tech
SeriesCompatible Replacement for Hynix
ModelHMA451U7MFR8N-TF
Capacity4GB
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
FeaturesHMA451U7MFR8N-TF

Preguntas sobre este artículo

How do I install this DDR4 2133MHz ECC UDIMM and what step is often missed?

Align the 288-pin module with the DIMM slot key, press firmly until both retention clips click, then verify the system detects the full 4GB capacity at 2133MHz in BIOS.

What maintenance or replacement will this 1Rx8 server memory need over time?

No scheduled maintenance is required; if errors appear, run a memory diagnostic and replace the module if failures persist beyond the lifetime warranty period.

What limit appears first when this CL15 1.20V module runs under sustained load?

The CAS latency of 15 cycles at 2133MHz sets the timing floor, so throughput plateaus before voltage or thermal limits become a factor.

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