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Two green circuit boards with black memory chips and gold edge connectors

OWC

OWC 32GB (2x16GB) DDR4 2666MHz CL19 SODIMM laptop RAM

SKU CH-CWWW-F9278

A 32 GB dual-channel DDR4 SODIMM kit running at 2666 MHz with CL19 latency for laptops and NAS systems

  • Total capacity32 GB (2 × 16 GB)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit
  • Recommended forLaptops, All-in-One Systems, and NAS Systems

Capacity 32GB (2 x 16GB)

  • 32GB total capacity for demanding multitasking with two 16GB modules
  • DDR4 2666MHz speed with CL19 latency for responsive performance
  • 2V low-voltage operation reduces power draw and heat
  • 260-pin SODIMM form factor fits laptops and compact systems
  • Backward compatible with 2400MHz and 2133MHz systems

32GB DDR4 SODIMM kit

This OWC kit supplies 32GB of DDR4 laptop memory as two 16GB modules running at 2666MHz with CL19 latency. The 260-pin SO-DIMM form factor fits laptops, all-in-one PCs, mini desktops, micro servers and NAS units. Modules operate at 1.2V and are unbuffered non-ECC with a 2Rx8 organisation.

Upgrade from 2133MHz or 2400MHz

The memory is backwards compatible with 2133MHz and 2400MHz systems, so it will downclock automatically if your platform only supports those speeds. The jump is worth it when your device has two free slots or can replace a smaller dual-channel pair, giving you the full 32GB at the highest JEDEC speed the platform allows.

Check slot count and maximum capacity

Verify that your machine accepts 260-pin DDR4 SO-DIMMs and supports 16GB per slot before ordering. Some ultra-thin laptops solder memory or limit each slot to 8GB, which would prevent this kit from working at its rated capacity. Also confirm the system does not require ECC or registered modules, as these are unbuffered non-ECC.

How it compares

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

Price $160.99
Pricier than about 72% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB (2 × 16 GB)
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $5.03 per GB
Cheaper than about 64% 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 number2S6D42R8032P
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Questions about this item

Does this kit use the 260-pin SO-DIMM form factor required by my laptop?

Yes, each 16 GB module is a 260-pin DDR4 SO-DIMM, the standard physical format for current laptops and compatible all-in-one or NAS units.

What is the most common mistake when installing these modules?

Not pressing the module firmly until both side clips snap shut; a partially seated stick will cause the system to recognise only 16 GB or fail to boot.

Will these sticks need active cooling or replacement after a certain period?

They have no heat spreader and run at the standard 1.2 V, so no extra cooling is required and the modules are rated for the lifetime of the system under normal use.

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