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Green DDR4 DIMM with black chips and gold contacts

A-Tech

A-Tech 16GB DDR4 2666 ECC UDIMM 2Rx8 Server Memory

SKU CH-WQRR-F6EQT

A 16 GB DDR4 2666 ECC UDIMM module with CL19 latency and 1.20 V operation for server and workstation upgrades

  • Capacity16GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • 16 GB DDR4 2666 MHz ECC UDIMM for server reliability
  • CL19 latency at 1.20 V for stable throughput
  • 2Rx8 dual-rank organisation boosts memory density
  • 288-pin DIMM form factor fits standard server slots
  • Replaces Samsung M391A2K43BB1-CTD and M391A2K43DB1-CTD modules

16GB DDR4 2666 ECC UDIMM for Servers

This 16GB DDR4 2666 ECC UDIMM module targets server and workstation systems that require error-correcting memory. It operates at 2666MHz with CL19 latency and standard 1.20V voltage. The unbuffered 2Rx8 design fits 288-pin DIMM slots in compatible platforms.

Samsung M391A2K43BB1-CTD Replacement

The module serves as a direct replacement for Samsung M391A2K43BB1-CTD and M391A2K43DB1-CTD part numbers. Builders can use it to match existing memory configurations without mixing incompatible specifications. Major brand chips are used throughout to maintain consistent reliability across the upgrade.

288-Pin DIMM Build Quality

Each stick undergoes quality assurance testing before shipment to verify dependable operation. The 288-pin DDR4 form factor ensures standard mechanical alignment in supported motherboards. ECC functionality provides data integrity for workloads that cannot tolerate silent corruption, while unbuffered design keeps latency low for compatible platforms.

Puntos fuertes

  • 16 GB DDR4 2666 MHz ECC UDIMM for server reliability
  • CL19 latency at 1.20 V for stable throughput
  • 2Rx8 dual-rank organisation boosts memory density
  • 288-pin DIMM form factor fits standard server slots
  • Replaces Samsung M391A2K43BB1-CTD and M391A2K43DB1-CTD modules

Especificaciones

BrandA-Tech
Capacity16GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Preguntas sobre este artículo

Will the 2Rx8 rank configuration require any future replacement of the memory module?

The 2Rx8 dual-rank design is a fixed hardware characteristic of this 16GB DDR4 module and does not create a scheduled replacement requirement.

What limit appears first during sustained workloads on this CL19 DDR4 2666 module?

The CL19 latency at 2666 MHz sets the primary timing boundary for sustained data throughput on this unbuffered ECC DIMM.

How much heat and power does the 1.20V 288-pin UDIMM produce when running continuously?

Operating at the standard DDR4 1.20V voltage, this unbuffered ECC module maintains typical low power draw and heat output for continuous server operation.

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