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Green rectangular DDR4 DIMM module with black chips on both sides, gold 288-pin edge connector, thin profile

A-Tech

A-Tech 16GB DDR4 2666MHz PC4-21300 288-Pin Desktop RAM

SKU CH-E6C8-4EJ6D

16 GB DDR4 desktop module running at 2666 MHz with 1.2 V standard voltage

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • Tested speed2666
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 16 GB capacity lets you run more applications at once
  • 2666 MHz DDR4 speed moves data quickly through the system
  • 2 V operation keeps power draw low and heat manageable
  • 288-pin DIMM form factor fits standard desktop motherboard slots
  • Non-ECC unbuffered design works with mainstream consumer platforms

A-Tech 16GB DDR4 2666MHz Desktop Memory

This 16GB DDR4 module runs at 2666MHz with a standard 1.2V operating voltage. It uses a 288-pin unbuffered DIMM form factor designed for desktop motherboards. The non-ECC memory is tested for compatibility with both AMD and Intel platforms. Quality assurance testing ensures reliable performance for everyday computing tasks.

Suits standard desktop upgrades.

This memory fits builders upgrading a desktop that accepts non-ECC unbuffered DDR4 DIMMs. It works as a direct replacement for the listed Micron part numbers. Systems requiring error-correcting code or registered modules cannot use this kit. Buyers needing capacities beyond 16GB per slot should consider other configurations.

2666MHz DDR4 speed rating

The module operates at a tested frequency of 2666MHz, labelled PC4-21300. This speed determines the maximum data transfer rate the memory can sustain. If your motherboard or processor only supports lower DDR4 speeds, the module will typically downclock automatically. Verify your platform's supported memory speed before purchase.

How it compares

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

Price $85.99
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 $5.37 per GB
Cheaper than about 67% 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)
Memory
Tested speed2666
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Does this 288-pin DDR4 DIMM need a motherboard slot that supports 1.2V DDR4 2666MHz memory?

Yes, the module runs at 1.2V and 2666MHz; the board must accept DDR4 DIMMs at that voltage and speed.

Can I add this 16GB stick to my current DDR4 2666MHz kit without changing BIOS settings?

The module is an unbuffered non-ECC DIMM rated for 2666MHz; most boards will run it at the kit's rated speed automatically.

How do I verify the system sees the full 16GB at 2666MHz after installation?

Check the memory section in BIOS or Task Manager — it should report 16GB and a speed of 2666MHz for the new module.

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