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Four green DDR4 laptop memory sticks with black chips and gold contacts

A-Tech

A-Tech 16GB (4x4GB) DDR4 2666MHz CL19 1.2V 260-Pin SODIMM Laptop RAM Kit

SKU CH-5PJW-DF84M

A 16 GB quad-channel DDR4 SODIMM kit running at 2666 MHz with CL19 latency and 1.2 V operation

  • Total capacity16 GB (4 × 4 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationQuad Channel Kit

Capacity 16GB (4 x 4GB)

Speed DDR4 2666 (PC4 21300)

CAS Latency CL19

  • 16 GB quad-channel kit boosts multitasking with four 4 GB modules
  • DDR4 2666 MHz speed accelerates data throughput for responsive applications
  • CL19 latency at 1.20 V balances quick access with standard power draw
  • 260-pin SO-DIMM form factor fits compatible laptop and all-in-one slots
  • Major-brand DRAM ICs tested for reliable long-term operation

16 GB DDR4 2666 MHz SODIMM Kit

This kit supplies sixteen gigabytes of DDR4 laptop memory across four 4 GB modules. It runs at 2666 MHz with a CAS latency of 19 and operates at the standard 1.2 V. The 260-pin SO-DIMM form factor fits compatible notebook and all-in-one systems.

Suitable for DDR4 laptops with four slots

The quad-channel layout works best in machines that expose four memory sockets and support DDR4 2666 MHz unbuffered non-ECC modules. Systems with only two slots or those requiring ECC registered memory cannot use this kit.

Handles everyday multitasking and light content work

Sixteen gigabytes gives comfortable headroom for web browsing, office suites and moderate photo editing. Memory-intensive tasks such as large video timelines, virtual machines or heavy rendering will exhaust the capacity and benefit from a larger kit.

How it compares

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

Price $94.99
Pricier than about 60% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB (4 × 4 GB)
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $5.94 per GB
Typical for this category: the median of 1,886 items is $5.94 per GB.

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Laptop Memory RAM
Model nameA-Tech 16 GB (4 × 4 GB) DDR4-2666 Laptop RAM Kit
Part numberNE-SS-0672
Total capacity16 GB (4 × 4 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Kit configurationQuad Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible
More details
VariantMajor Brand DRAM IC Chips

Other versions of this model

5 more in the same range

Questions about this item

My laptop only has two SO-DIMM slots — can I install this 4-module kit?

This kit contains four 4 GB modules. A laptop with only two slots cannot accept all four at once; you would need a system with four DDR4 SO-DIMM slots to use the full 16 GB.

I plan to keep my existing DDR4 2666 CL19 stick — will this quad-channel kit run in dual-channel mode alongside it?

Adding a fifth module to a four-slot laptop is not possible. On a four-slot board the kit runs quad-channel; mixing an extra stick would require a fifth slot and would force single-channel operation.

After installing all four modules, how do I verify the kit is running at DDR4 2666 with CL19 timings?

Open Task Manager → Performance → Memory and confirm 2666 MHz speed and 16 GB total. For CL19 confirmation use CPU-Z SPD tab to read the programmed latency.

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