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Green rectangular DDR4 DIMM with black chips and gold edge contacts

SAMSUNG

SAMSUNG M393A2K43CB2-CTD 16GB DDR4 2666 ECC Registered memory upgrade

SKU CH-JZKK-61WKJ MPN M393A2K43CB2-CTD

16 GB DDR4 2666 ECC registered 288-pin DIMM with CL19 latency and 1.20 V operation

  • Capacity16GB
  • SpeedDDR4 2666 (PC4 21300)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • Rank2Rx8
  • 16 GB DDR4 2666 MHz capacity for demanding server workloads
  • ECC registered design detects and corrects single-bit errors automatically
  • CL19 CAS latency provides responsive data access timing
  • 20 V operating voltage reduces power draw in dense configurations
  • 288-pin DIMM form factor fits standard DDR4 registered slots

16GB DDR4 2666 ECC Registered DIMM

This 16GB DDR4 module runs at 2666 MHz with a CL19 latency and operates at 1.20V. It uses a 288-pin registered DIMM form factor with 2Rx8 organisation and on-board ECC for error correction. The part is built for servers and workstations that require registered memory with data-integrity features.

Fits registered DDR4 platforms needing 288-pin DIMMs

The module plugs into standard 288-pin DDR4 slots that support registered signal processing and ECC. It draws 1.20V and conforms to the PC4-21300 / PC4-21333 standard. Registered buffering reduces electrical load on the memory controller, freeing headroom for larger memory populations in multi-slot chassis.

Replaces non-ECC or unbuffered DDR4 when data

The jump is worth it when the platform demands registered ECC memory for mission-critical workloads. It will not work in systems that only accept unbuffered non-ECC modules or that require a different DDR generation. Buyers needing higher capacities per slot or faster speeds must look beyond this 16GB 2666 MHz part.

Puntos fuertes

  • 16 GB DDR4 2666 MHz capacity for demanding server workloads
  • ECC registered design detects and corrects single-bit errors automatically
  • CL19 CAS latency provides responsive data access timing
  • 20 V operating voltage reduces power draw in dense configurations
  • 288-pin DIMM form factor fits standard DDR4 registered slots

Especificaciones

BrandSAMSUNG
ModelM393A2K43CB2-CTD
Capacity16GB
SpeedDDR4 2666 (PC4 21300)
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Peso de envío0.23 kg
Dimensiones del paquete178 × 51 × 13 mm

Preguntas sobre este artículo

How does the 1.20 V voltage affect thermal limits when the module runs continuously at 2666 MHz?

At 1.20 V the DDR4 module draws minimal power, so sustained 2666 MHz operation stays within standard server thermal envelopes without extra cooling.

What acoustic or thermal impact should I expect from the registered ECC design during all-day workloads?

Registered ECC DIMMs add negligible heat and produce no audible noise; the memory controller handles parity internally.

Which motherboard slot and chipset combination is required for this 288-pin registered DDR4 DIMM to function?

A server-grade motherboard with 288-pin DDR4 slots that explicitly supports registered ECC memory is required.

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