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Green circuit board with black memory chips and gold edge contacts

OWC

OWC 8GB DDR4 2666 CL19 ECC SODIMM laptop RAM

SKU CH-PNEE-W25AW

8GB DDR4 2666 CL19 ECC SODIMM adds error-correcting memory to compatible laptops, all-in-ones and NAS systems

  • Capacity8GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • 8GB capacity expands multitasking headroom for demanding workloads
  • DDR4 2666 speed with CL19 latency accelerates data throughput
  • ECC protection detects and corrects single-bit errors automatically
  • 2V operation reduces power draw and heat output
  • Backward compatible with 2400MHz and 2133MHz systems

What this module is and who it fits

This OWC DDR4 SODIMM provides 8 GB of ECC unbuffered memory at 2666 MHz with CL19 latency. It is built for laptops, all-in-one PCs and NAS units that accept 260-pin DDR4 SO-DIMMs and require error-correcting code for data integrity. The module runs at the standard 1.2 V and carries JEDEC and RoHS compliance.

Installation ease and common pitfalls

The stick fits a standard 260-pin slot and is designed as a straightforward DIY upgrade. Because it is an ECC unbuffered module, the host system must explicitly support ECC; otherwise the memory will not function or the error-correction feature will remain inactive. No heat spreader is present, so clearance is minimal.

Capacity headroom and limits

Eight gigabytes suits everyday multitasking, light virtualization and typical NAS workloads such as file serving or backup. Heavier database tasks, large container sets or simultaneous virtual machines will exceed this capacity and require additional modules or higher-density sticks. The module is backward compatible with 2400 MHz and 2133 MHz systems.

Points forts

  • 8GB capacity expands multitasking headroom for demanding workloads
  • DDR4 2666 speed with CL19 latency accelerates data throughput
  • ECC protection detects and corrects single-bit errors automatically
  • 2V operation reduces power draw and heat output
  • Backward compatible with 2400MHz and 2133MHz systems

Caractéristiques

BrandOWC
Part Number2C6D41R808GB
Capacity8GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

Questions sur cet article

How can I confirm the 8GB DDR4 2666 CL19 ECC SODIMM is running at the correct speed after installation?

Check the BIOS or a system utility such as CPU-Z; the memory should report 2666 MT/s (PC4-21300) with CL19 timings at 1.2V.

What comes with the module and is anything else required for a laptop or NAS upgrade?

The package contains only the 260-pin SODIMM; no tools, screws or additional cables are included or needed for installation.

Which capacity or speed version should I choose if my system currently runs 2400MHz or 2133MHz memory?

This 8GB 2666MHz module is backwards compatible with 2400MHz and 2133MHz systems and will operate at the highest speed the platform supports.

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