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Green rectangular DDR4 RDIMM with black chips and gold edge contacts

A-Tech

A-Tech 16GB DDR4 2666 ECC RDIMM 2Rx8 1.2V CL19 server RAM

SKU CH-91RB-TGYVV

16 GB DDR4 2666 MHz ECC registered DIMM with 2Rx8 dual-rank chips, CL19 latency and 1.2 V operation for server and workstation upgrades

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered

Capacity 16GB

  • ECC protection guards data integrity on servers
  • Registered DIMM design supports heavy multi-module loads
  • Dual-rank 2Rx8 organisation increases memory density per slot
  • 2 V DDR4 standard voltage lowers power draw
  • 2666 MHz CL19 speed accelerates demanding workloads

A-Tech 16GB DDR4 2666 ECC RDIMM

This 16GB registered DIMM operates at DDR4 2666 with CL19 latency and 1.2V voltage. It uses a 2Rx8 dual-rank layout on a 288-pin module and includes ECC for data integrity. The module is built with major-brand chips and tested for server and workstation reliability.

Suited for DDR4 servers

This module will not work in desktop or laptop computers that require unbuffered non-ECC RAM. Buyers who need consumer memory should look elsewhere. Systems that do not support registered DIMMs or DDR4 2666 speeds cannot use this product.

Handles 16GB per slot with dual-rank density

The 2Rx8 organisation provides higher capacity per channel than single-rank alternatives. Workloads that exceed a single module's capacity will require additional DIMMs and available memory slots. Performance scales with the number of populated channels supported by the platform.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $136.99
Cheaper than about 58% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $8.56 per GB
Pricier than about 61% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Server Memory RAM
Model nameA-Tech 16 GB 2Rx8 PC4-2666 V-R
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

What type of system must I already own for this DDR4 2666 ECC RDIMM to work?

This module is designed for servers and workstations that support DDR4 registered ECC memory. It is not compatible with standard desktop or laptop computers.

How does this registered dual-rank module behave when installed alongside older DDR4 RDIMMs in the same server?

The server will run all memory at the speed of the slowest module. Mixing ranks is usually supported, but population rules depend on the specific platform.

How can I confirm the 16 GB module is running at 2666 MHz with ECC active after installation?

Check the BIOS memory information or use a tool such as dmidecode on Linux to verify speed, voltage, rank and ECC status.

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