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Green rectangular 288-pin DDR4 DIMM with black memory chips and gold edge connectors

A-Tech

A-Tech 16GB DDR4 2666MHz ECC RDIMM 1Rx4 for Samsung M393A2K40BB2-CTD CB2-CTD DB2-CTD Server Memory

SKU CH-KQK8-CCNTS

16 GB DDR4 2666 MHz ECC registered DIMM with 1Rx4 layout and 1.2 V operation

  • Capacity16GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 16 GB DDR4 2666 MHz ECC RDIMM for server workloads
  • CL19 latency at 1.20 V for efficient operation
  • Registered 1Rx4 design with major-brand chips for stability
  • 288-pin DIMM form factor fits standard DDR4 server slots
  • Replaces Samsung M393A2K40BB2-CTD CB2-CTD DB2-CTD modules

Server memory upgrade

This A-Tech 16 GB DDR4 2666 MHz ECC RDIMM module is built for server and workstation systems that require registered memory with error correction. It operates at 1.20 V with a CL19 latency and uses a 1Rx4 rank configuration on a 288-pin DIMM. The module serves as a direct replacement for Samsung M393A2K40BB2-CTD, CB2-CTD and DB2-CTD part numbers.

Compatibility and limits

The module suits administrators expanding capacity in qualified DDR4 platforms that support registered ECC DIMMs at 2666 MHz. It will not work in desktop or laptop boards that accept only unbuffered non-ECC memory, nor in systems limited to lower DDR4 speeds or different voltage requirements. Buyers needing higher density per slot or faster data rates should verify their platform specifications before ordering.

Quality assurance and support

Each unit undergoes A-Tech quality assurance testing to confirm reliable operation in supported environments. The purchase includes a lifetime warranty and access to United States based technical support for pre-sale and post-sale assistance. No additional software, cables or cooling accessories are bundled with the memory module.

Points forts

  • 16 GB DDR4 2666 MHz ECC RDIMM for server workloads
  • CL19 latency at 1.20 V for efficient operation
  • Registered 1Rx4 design with major-brand chips for stability
  • 288-pin DIMM form factor fits standard DDR4 server slots
  • Replaces Samsung M393A2K40BB2-CTD CB2-CTD DB2-CTD modules

Caractéristiques

BrandA-Tech
Capacity16GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Does my server motherboard need a 288-pin DDR4 DIMM slot to use this module?

Yes, the module uses the standard 288-pin DDR4 DIMM form factor and requires a compatible registered DIMM slot on the motherboard.

Can I mix this 1Rx4 registered ECC module with existing 2Rx4 or 1Rx8 modules in the same system?

Mixing ranks and organisations is possible only if the platform's memory controller and BIOS explicitly support the combination; check the system manual for approved population rules.

How can I confirm the module is running at 2666 MHz with ECC active after installation?

Enter the BIOS or UEFI and verify the reported speed shows 2666 MT/s and that ECC status is listed as enabled or active for the new DIMM.

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