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Green rectangular circuit board with gold 288-pin edge connector and black memory chips

A-Tech

A-Tech 4GB DDR4 2666MHz PC4-21300 DIMM 1Rx8 desktop RAM

SKU CH-0TAD-JM7JP

A 4GB DDR4 2666MHz desktop DIMM that installs in a 288-pin slot and runs at 1.2V

  • Total capacity4 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • Tested speed2666
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 4GB capacity adds headroom for everyday multitasking
  • 2666 MHz DDR4 speed keeps data moving quickly
  • 20 V standard voltage reduces power draw
  • 288-pin DIMM fits mainstream desktop slots
  • Tested replacement for Micron MTA8ATF51264AZ-2G6 modules

A-Tech 4GB DDR4 2666MHz Desktop Module

This A-Tech module delivers 4GB of DDR4 memory at 2666MHz for desktop computers. It operates at the standard 1.2V voltage and uses an unbuffered, non-ECC design. The 288-pin DIMM fits standard desktop slots and is tested for reliable performance.

Suitable for basic DDR4 upgrades.

This module suits owners of compatible desktops needing a direct replacement for Micron MTA8ATF51264AZ-2G6 or MTA8ATF51264AZ-2G6B1 parts. Builders requiring error-correcting code memory or registered modules must choose a different product line.

Single rank 1Rx8 organisation

The memory is organised as a single-rank 1Rx8 configuration running at PC4-21300 speed. This specific layout determines compatibility with the memory controller and slot population rules of the target desktop system.

How it compares

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

Price $29.99
Cheaper than about 79% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $7.50 per GB
Pricier than about 55% 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 capacity4 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 my motherboard need a 288-pin DDR4 slot for this module?

Yes, this is a 288-pin DDR4 DIMM that requires a standard desktop DDR4 slot.

Will this 2666 MHz DDR4 module downclock to match slower DDR4 memory I keep installed?

The module operates at 2666 MHz; the system will run all installed DDR4 at the lowest common speed.

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

Check the memory frequency in BIOS or a system information tool; it should show 2666 MHz for this DIMM.

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