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OWC

OWC 8GB DDR4 2666 CL19 1.2V Non-ECC SODIMM laptop RAM

SKU CH-4F59-9TZ4D

An 8 GB DDR4 SODIMM running at 2666 MHz with CL19 latency and 1.2 V operation for laptops, all-in-ones and NAS systems

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • 8GB capacity lets you run more apps simultaneously
  • DDR4 2666 speed boosts overall system responsiveness
  • CL19 latency at 1.2V keeps power draw low
  • 260-pin SODIMM fits laptops, all-in-ones and NAS units
  • Backward compatible with 2400MHz and 2133MHz systems

8GB DDR4 2666 CL19 SODIMM

This 8GB DDR4 2666 CL19 1.2V non-ECC SODIMM module is built for laptops, all-in-one PCs and compatible NAS units. It uses the standard 260-pin DDR4 SO-DIMM form factor and runs at PC4-21300 speed. The module is unbuffered and has no heat spreader.

Who this suits, who it doesn't

It suits anyone upgrading a DDR4 laptop, mini desktop, micro server or NAS that accepts 260-pin non-ECC SODIMMs at 2666 MHz CL19. Buyers who need ECC error correction, registered buffering, larger capacity per module or a different DDR generation should look elsewhere.

The deciding spec

The module is a 260-pin DDR4 SO-DIMM rated at 2666 MHz CL19 1.2V non-ECC unbuffered, and it is backward compatible with 2400 MHz and 2133 MHz systems. That single combination of form factor, speed, voltage and ECC type determines whether the part will work in your device.

How it compares

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

Price $47.99
Cheaper than about 60% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $6.00 per GB
Typical for this category: the median of 1,886 items is $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 number2S6D41R808 GB
Total capacity8 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

What slot type must my laptop or NAS already have for this 260-pin DDR4 SODIMM to fit?

Your system needs a DDR4 SO-DIMM slot that accepts 260-pin modules running at 1.2 V.

Will this CL19 2666 MHz module run stably if I keep my existing 2400 MHz or 2133 MHz sticks installed?

Yes, it is backwards compatible with 2400 MHz and 2133 MHz memory and will down-clock to match the slowest installed module.

How can I confirm the module is operating at the rated CL19 2666 MHz speed after installation?

Check the memory tab in CPU-Z or your BIOS/UEFI; it should report DDR4-2666 with CAS latency 19.

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