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

A-Tech

A-Tech 32GB DDR4 2666MHz CL19 2Rx8 260-Pin SODIMM for Micron MTA16ATF4G64HZ-2G6B3 laptop RAM

SKU CH-4G4M-0G8FV

A 32 GB DDR4 2666 MHz SODIMM with CL19 latency for Micron MTA16ATF4G64HZ-2G6B3 compatibility

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forCompatible Replacement for Micron MTA16ATF4G64 Hz-2G6B3
  • 32 GB capacity lets you run more applications simultaneously
  • DDR4 2666 MHz speed delivers fast data transfer rates
  • CL19 latency supports responsive system operation
  • 260-pin SODIMM form factor fits compatible laptop slots
  • 20 V voltage enables energy-efficient performance

32GB DDR4 2666MHz Laptop SODIMM

This 32GB DDR4 2666MHz CL19 module fits laptops, notebooks and all-in-one PCs that accept 260-pin SO-DIMM memory. It runs at 1.20V as an unbuffered, non-ECC stick and is built as a direct replacement for the Micron MTA16ATF4G64HZ-2G6B3 part number.

Best for single-slot upgrades on DDR4 platforms

Owners of systems limited to one memory slot or a 32GB maximum will gain the full capacity in one module. Builders needing ECC error correction, registered buffering, speeds above 2666MHz or a dual-channel kit of two sticks should look elsewhere.

32GB capacity headroom for heavy multitasking

The 32GB module handles large browser workloads, virtual machines and content-creation projects without paging. Workloads that exceed 32GB or demand registered DIMM signalling will run out of capacity or compatibility on this stick.

How it compares

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

Price $128.99
Pricier than about 66% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $4.03 per GB
Cheaper than about 82% of the 1,886 comparable items (median $5.94 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
Product lineCompatible Replacement for Micron
Model nameMTA16ATF4G64 Hz-2G6B3
Total capacity32 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forCompatible Replacement for Micron MTA16ATF4G64 Hz-2G6B3

Questions about this item

My laptop only has one SODIMM slot — will this single 32GB module work on its own?

Yes, the module is a single 32GB stick designed to operate independently in a 260-pin DDR4 SO-DIMM slot.

I plan to keep my existing 16GB DDR4 2666MHz stick in the second slot — will this 32GB CL19 module run alongside it?

Both modules share the same DDR4 2666MHz speed and 1.2V voltage, so they can run together; the system will operate at the slower stick's timings.

After installing the module, how can I confirm it is running at the rated 2666MHz CL19?

Open Task Manager or a tool like CPU-Z and check the memory tab — it should show 32GB, 2666MHz and a CAS latency of 19.

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