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Single green 288-pin DDR4 DIMM module with black memory chips and silver heat spreader

A-Tech

A-Tech 32GB DDR4 2666MHz PC4-21300 2Rx8 desktop RAM

SKU CH-DHYX-WKQQC

A 32GB DDR4 2666MHz DIMM module that replaces Micron MTA16ATF4G64AZ-2G6 and MTA16ATF4G64AZ-2G6B1 for desktop memory upgrades

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • Tested speed2666
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 32GB capacity expands multitasking headroom for demanding workloads
  • 2666MHz DDR4 speed accelerates data throughput for responsive performance
  • 2V standard voltage reduces power draw and heat output
  • 288-pin DIMM form factor fits mainstream desktop motherboards
  • Non-ECC unbuffered design suits consumer desktop platforms

What this product is

This is a 32GB DDR4 2666MHz PC4-21300 unbuffered DIMM built as a direct replacement for Micron MTA16ATF4G64AZ-2G6 and MTA16ATF4G64AZ-2G6B1 modules. It uses standard 1.20V DDR4 voltage and a 288-pin layout for desktop motherboards.

Who it suits and who should look elsewhere

It suits desktop builders upgrading compatible AMD or Intel platforms that accept non-ECC UDIMM memory at this speed and density. Buyers needing ECC error correction, registered buffering, or a different module density should look elsewhere.

The specification that decides fit

The module is a single 32GB 2Rx8 rank DDR4 DIMM rated at 2666MHz PC4-21300 with 1.20V operation; verify your motherboard supports this exact density and speed before purchase.

How it compares

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

Price $175.99
Pricier than about 65% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $5.50 per GB
Cheaper than about 65% 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 capacity32 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

Will this 32 GB DDR4 module fit a standard desktop motherboard?

Yes — it is a 288-pin unbuffered DIMM, the standard form factor for desktop DDR4 memory.

My system runs at 1.20 V; is this module compatible?

The module operates at the DDR4 standard voltage of 1.20 V, matching typical desktop platforms.

Can I use this stick alongside my existing 16 GB DDR4 2666 MHz memory?

Mixing modules of the same speed and voltage usually works, but for guaranteed stability use identical kits or test after installation.

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