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Green 288-pin DDR4 DIMM with black memory chips and silver heat spreader

A-Tech

A-Tech 16GB DDR4 2133MHz CL15 ECC UDIMM 2Rx8 Server Memory

SKU CH-ZJ5J-WARXK

16 GB DDR4-2133 ECC UDIMM with CL15 latency and 2Rx8 organization for server reliability

  • Capacity16GB
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • 16GB capacity handles heavy server workloads
  • DDR4 2133MHz speed accelerates data throughput
  • CL15 latency reduces command delay
  • ECC UDIMM protects data integrity
  • 20V operation lowers power consumption

16GB DDR4 2133MHz ECC UDIMM Server Module

This 16GB DDR4 module runs at 2133MHz with CL15 latency and 1.20V operation. It uses ECC unbuffered DIMM architecture in a 2Rx8 configuration with 288-pin form factor. The module suits servers and workstations that require error-correcting memory for data integrity.

Sustained load stability with ECC protection

Error correction detects and corrects single-bit errors during continuous operation, preventing data corruption in long-running workloads. The 2Rx8 organisation and major-brand chipset maintain consistent throughput under extended memory pressure. Standard 1.20V DDR4 voltage keeps power draw predictable during sustained use.

Direct replacement for Samsung M391A2K43BB1-CPB

This module matches the specifications of the Samsung M391A2K43BB1-CPB part for drop-in compatibility. The upgrade is worthwhile when expanding capacity in supported platforms or replacing failed modules in validated configurations. Verify your system's qualified vendor list before installation to ensure compatibility.

Puntos fuertes

  • 16GB capacity handles heavy server workloads
  • DDR4 2133MHz speed accelerates data throughput
  • CL15 latency reduces command delay
  • ECC UDIMM protects data integrity
  • 20V operation lowers power consumption

Especificaciones

BrandA-Tech
Capacity16GB
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Preguntas sobre este artículo

How much heat and power does the 1.20V DDR4 module draw during continuous server workloads?

The module operates at the standard 1.20V DDR4 voltage, keeping power draw and heat output low enough for dense server configurations with limited airflow.

What motherboard slot and chipset support are required to run this ECC UDIMM?

You need a 288-pin DDR4 DIMM slot on a platform that explicitly supports ECC unbuffered memory; the module will not function in non-ECC or registered-only boards.

Will this 2Rx8 stick work alongside older single-rank DDR4 modules already installed?

Mixing 2Rx8 with single-rank DDR4 is possible if the motherboard supports mixed-rank populations, but the system will run all modules at the speed of the slowest stick.

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