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Green rectangular circuit board with gold edge connectors and black memory chips

A-Tech

A-Tech 16GB DDR4 2666MHz CL19 1.2V 288-Pin Desktop RAM

SKU CH-R12Z-7J50C

A 16 GB DDR4 2666 MHz CL19 desktop DIMM using major-brand chips at 1.2 V for AMD and Intel systems

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chips
  • CAS latencyCL19
  • Tested speed2666
  • Rated voltage1.2 V
  • 16 GB capacity handles heavier workloads and multitasking
  • DDR4 2666 MHz speed moves data quickly for responsive performance
  • CL19 latency keeps timing tight for stable operation
  • 20 V standard voltage reduces power draw and heat
  • 288-pin DIMM fits standard desktop motherboard slots

16GB DDR4 2666MHz Desktop Module

This single 16GB DDR4 DIMM runs at 2666MHz with CL19 latency and standard 1.2V operation. It uses a 288-pin unbuffered non-ECC design compatible with AMD and Intel desktop platforms. The module is built with major-brand chips and tested for reliable performance in everyday computing tasks.

Capacity and headroom for multitasking

The 16GB capacity provides comfortable headroom for mainstream workloads such as web browsing, office applications, and light content creation. It handles multiple browser tabs and background services without forcing the system to swap to slower storage. Demanding workloads like heavy video editing, large virtual machines, or modern AAA titles at high settings will exceed this single-module limit and require additional memory.

Tested reliability and lifetime support

Every module undergoes quality assurance testing to verify stable operation at the rated 2666MHz speed and CL19 timings. The manufacturer backs the product with a lifetime warranty and includes access to US-based technical support for installation guidance and troubleshooting. No additional software or accessories are bundled with the memory kit.

How it compares

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

Price $86.99
Typical for this category: the median of 3,647 items is $90.99.
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $5.44 per GB
Cheaper than about 66% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chips
Memory
CAS latencyCL19
Tested speed2666
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Will this DDR4 2666 MHz CL19 1.2V module run alongside my existing DDR4 2666 MHz CL19 1.2V sticks?

Yes — matching speed, latency and voltage lets the memory controller run both kits at the same 2666 MT/s without manual tuning.

How can I confirm the module is operating at DDR4 2666 MHz CL19 after installation?

Open Task Manager or CPU-Z and verify the reported speed reads 2666 MT/s with timings showing 19-19-19.

What ships in the box and what must I source separately?

The box contains the single 16 GB 288-pin UDIMM; no cables, tools or additional hardware are included.

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