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Green 260-pin DDR4 SO-DIMM module with black chips and gold contacts

A-Tech

A-Tech 32GB DDR4 2666MHz CL19 260-Pin SO-DIMM Laptop Memory

SKU CH-ZZ0H-EH724

A 32 GB DDR4 2666 MHz SO-DIMM module with CL19 latency and 1.2 V operation for laptop upgrades

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 32 GB capacity lets you run more apps simultaneously
  • DDR4 2666 MHz speed accelerates data transfer for smoother multitasking
  • CL19 latency supports responsive system performance
  • 2 V operation reduces power draw and heat
  • 260-pin SO-DIMM form factor fits compatible laptop slots

Capacity and form factor

This is a 32GB DDR4 laptop memory module built to the 260-pin SO-DIMM standard. It runs at 2666MHz with CL19 latency and operates at the standard 1.20V voltage. The stick is unbuffered and non-ECC, using major-brand chips for reliable operation in compatible notebooks and all-in-one systems.

Compatibility fit

The module is suited for owners of Dell laptops that list part numbers SNPNNRD4C/32G or AA538491 as supported upgrades, as well as other AMD or Intel platforms that accept DDR4 SO-DIMMs at this speed and voltage. Buyers whose systems require ECC or registered memory, or those limited to a lower maximum module capacity, should look at different parts.

Deciding specification

The single figure that determines fit is the 260-pin DDR4 SO-DIMM form factor combined with the 2666MHz (PC4-21300) speed rating; only systems that explicitly support this pin count, generation and data rate can use the module.

How it compares

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

Price $154.99
Pricier than about 71% 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 $4.84 per GB
Cheaper than about 68% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity32 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Does this 260-pin DDR4 SO-DIMM fit a standard laptop memory slot?

Yes, the module uses the standard 260-pin DDR4 SO-DIMM form factor used by most modern laptops and all-in-one systems.

What is the correct way to seat the module so it locks in place?

Align the notch with the slot key, insert at a slight angle, then press down firmly until both side clips click into the notches on the PCB.

Will this 1.20V CL19 module need any firmware updates or replacement over time?

No firmware updates are required; the module runs at standard DDR4 voltage and is tested for long-term reliability without scheduled replacement.

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