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Four green circuit boards with black memory chips, no heat spreaders, 260-pin SO-DIMM form factor

OWC

OWC 32GB (4x8GB) DDR4 2666MHz ECC SO-DIMM CL19 1.2V 260-pin

SKU CH-1AA5-486YA

32 GB kit of four 8 GB DDR4 2666 MHz ECC SO-DIMMs at CL19 and 1.2 V for laptops, NAS and micro servers

  • Capacity32GB (4 x 8GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB (4 x 8GB)

Struck-through versions exist but are not stocked here.

  • 32GB total capacity from four 8GB modules for heavy multitasking
  • ECC error correction protects data integrity in servers and NAS
  • DDR4 2666MHz CL19 speed with backward compatibility to 2400MHz and 2133MHz
  • Low 1.2V voltage reduces power draw and heat in compact systems
  • Unbuffered 260-pin SO-DIMM fits laptops, all-in-ones and micro servers

32GB DDR4 ECC SO-DIMM kit for laptops and NAS

This kit provides 32GB of DDR4 memory across four 8GB modules. It is built for laptops, all-in-one systems and NAS devices that require ECC protection. The unbuffered design fits standard 260-pin SO-DIMM slots.

2666MHz CL19 speed with 2400MHz and 2133MHz fallback

The modules run at 2666MHz (PC4-21300) with CAS latency 19 at 1.2V. They are backwards compatible with 2400MHz and 2133MHz systems, so the kit will operate at the highest speed the host platform supports. ECC adds data-integrity headroom for workloads that cannot tolerate silent corruption.

ECC unbuffered 260-pin DDR4 — the single

This kit only works in platforms that accept unbuffered ECC DDR4 SO-DIMMs. Systems limited to non-ECC memory or registered DIMMs will not post with these modules installed.

Highlights

  • 32GB total capacity from four 8GB modules for heavy multitasking
  • ECC error correction protects data integrity in servers and NAS
  • DDR4 2666MHz CL19 speed with backward compatibility to 2400MHz and 2133MHz
  • Low 1.2V voltage reduces power draw and heat in compact systems
  • Unbuffered 260-pin SO-DIMM fits laptops, all-in-ones and micro servers

Specifications

BrandOWC
Part Number2C6D41R8032S
Capacity32GB (4 x 8GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 2666MHz CL19 modules run reliably with the 2400MHz sticks I already have installed?

Yes, the kit is backwards compatible with 2400MHz and 2133MHz systems, so the new modules will downclock to match your existing memory speed.

How can I confirm the ECC function is active after installing the 4x8GB kit?

Enter the BIOS or UEFI and check the memory information screen; it should report ECC enabled and show the full 32GB capacity at 2666MHz CL19.

Does the package include only the four 8GB SO-DIMMs or are any tools or adapters supplied?

The box contains the four 260-pin DDR4 ECC SO-DIMM modules only; no screwdrivers, brackets or additional accessories are included.

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