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Green printed circuit board with black memory chips and gold edge connectors

OWC

OWC 16GB DDR4 2666 CL19 2Rx8 260-pin 1.2V SODIMM laptop RAM

SKU CH-V8RY-3NGBH

A 16 GB DDR4 2666 CL19 SODIMM for laptops, all-in-ones and NAS systems, backward compatible with 2400 and 2133 MHz

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • 16 GB capacity lets you run more apps simultaneously
  • 2666 MHz DDR4 speed keeps data moving quickly
  • CL19 latency balances timing for responsive performance
  • 2 V operation reduces power draw and heat
  • 260-pin SO-DIMM fits laptops, AIOs and NAS systems

16GB DDR4 2666 SODIMM upgrade

This OWC module delivers 16GB of DDR4 memory at 2666MHz with CL19 latency. It uses the standard 260-pin SO-DIMM form factor and runs at 1.2V. The kit is designed as a direct replacement for specific QNAP part numbers and is validated for laptops, all-in-one systems and NAS devices.

Suits non-ECC laptops and NAS units.

The module is unbuffered and non-ECC, matching the requirements of most consumer laptops, mini desktops and compatible NAS appliances. It will not work in systems that require ECC or registered memory. Buyers needing error-correcting or buffered modules should look elsewhere.

260-pin DDR4 SO-DIMM form factor decides fit

The 260-pin DDR4 SO-DIMM interface is the single specification that determines whether this module installs in a given system. The board must accept DDR4 SO-DIMMs at 2666MHz, 2400MHz or 2133MHz. If the slot uses a different pin count or memory generation, the module will not seat.

How it compares

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

Price $88.99
Pricier than about 57% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $5.56 per GB
Cheaper than about 56% 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 nameOWC
Part number2S6D42R816 GB
Total capacity16 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 forLaptops, All-in-One Systems, and NAS Systems

Questions about this item

How do I install the 260-pin DDR4 SODIMM in my laptop, and what step do people often get wrong?

Align the notch on the module with the key in the slot, insert at an angle, then press down firmly until both side clips click into place; the common mistake is stopping before the clips fully engage.

What maintenance or replacement will this 16 GB DDR4 2666 CL19 module need later?

No routine maintenance is required; the module has no heat spreader and no moving parts, so it only needs replacement if a memory error appears or capacity must be increased.

What limit shows up first under sustained use with this 1.2 V unbuffered DDR4 2666 SODIMM?

The thermal limit of the laptop chassis typically appears first, because the module runs at standard JEDEC voltage without a spreader and relies on system airflow to stay within safe temperatures.

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