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

A-Tech

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

SKU CH-J4YD-RHV1H

16 GB DDR4 desktop DIMM running at 2666 MHz with CL19 latency and 1.2 V operation

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • Tested speed2666
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible

Capacity 16GB

Speed DDR4 2666 (PC4 21300)

  • 16 GB capacity lets you run more applications at once
  • 2666 MHz DDR4 speed reduces load times and improves responsiveness
  • CL19 latency keeps timing tight for smoother multitasking
  • 2 V standard voltage lowers power draw and heat
  • 288-pin DIMM fits compatible desktop motherboards

16GB DDR4 2666MHz DIMM for Desktop

This single 16GB DDR4 module runs at 2666MHz with CL19 timings at the standard 1.2V voltage. It uses the 288-pin UDIMM form factor and is non-ECC unbuffered, making it suitable for mainstream desktop systems that support DDR4 memory.

Compatibility and testing impact

The module is tested for AMD and Intel DDR4 platforms, and the supplier notes that every unit undergoes quality assurance testing for reliable operation. Buyers should still verify their motherboard's supported memory specifications before purchasing to ensure correct fit and function.

Installation ease and common issues

Installing a UDIMM is a straightforward process: align the notch with the slot key and press down until the retention clips click. The most frequent issue is mismatched speed or voltage settings in the BIOS, which can prevent the system from posting or cause instability.

How it compares

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

Price $76.99
Cheaper than about 55% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $4.81 per GB
Cheaper than about 75% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Desktop Memory RAM
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
Tested speed2666
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Other versions of this model

5 more in the same range

Questions about this item

Will the CL19 timing need adjustment later?

The module ships at CL19 1.20V; no further tuning is required unless you enable an XMP profile in BIOS.

What limit appears first during sustained 2666MHz loads?

The JEDEC voltage ceiling of 1.2V caps headroom before thermals become a concern.

How much heat does the 288-pin DIMM produce running all day?

At 1.2V the stick stays cool enough that standard case airflow handles the thermal load without extra cooling.

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