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Two green circuit boards with black chips and gold edge connectors

OWC

OWC 64GB (2x32GB) DDR4 2666MHz ECC SODIMM laptop RAM

SKU CH-J5FK-J0NCR

A 64GB dual-channel DDR4 2666MHz ECC SODIMM kit with CL19 latency and 1.2V operation for compatible laptops, NAS and micro servers

  • Capacity64GB (2 x 32GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 64GB (2 x 32GB)

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  • 64GB dual-channel kit expands multitasking headroom
  • ECC protection guards data integrity in NAS and servers
  • JEDEC-standard 2666MHz CL19 ensures broad laptop compatibility
  • Low 1.2V operation reduces power draw and heat
  • Backward compatible with 2400MHz and 2133MHz systems

64GB DDR4 ECC SODIMM kit

This OWC kit provides 64GB of DDR4 ECC memory in a matched pair of 32GB modules. It uses the 260-pin SO-DIMM form factor for laptops, all-in-one PCs and compatible NAS units. The modules run at 2666MHz with CL19 latency and 1.2V operation. ECC support adds data-integrity protection for workloads that require it.

Thermals and power

The modules operate at the standard 1.2V DDR4 voltage and have no heat spreader. Power draw stays within normal JEDEC limits for DDR4 2666 SO-DIMMs. Passive cooling in a typical laptop or NAS chassis is sufficient; no active airflow is required. Acoustic impact is zero because the parts have no moving components.

ECC unbuffered specification

This kit is unbuffered ECC DDR4, not registered or load-reduced. The system memory controller must support unbuffered ECC SO-DIMMs for the error-correction feature to function. Buyers whose platforms accept only non-ECC or registered memory cannot use the ECC capability. The kit is backward compatible with 2400MHz and 2133MHz DDR4 slots.

商品特色

  • 64GB dual-channel kit expands multitasking headroom
  • ECC protection guards data integrity in NAS and servers
  • JEDEC-standard 2666MHz CL19 ensures broad laptop compatibility
  • Low 1.2V operation reduces power draw and heat
  • Backward compatible with 2400MHz and 2133MHz systems

商品規格

BrandOWC
Part Number2C6D42R8064P
Capacity64GB (2 x 32GB)
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

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

How do I install the 260-pin DDR4 SODIMM modules and what step is often missed?

Power off the laptop, remove the battery if possible, then insert each 32 GB module at an angle until the 260-pin edge connector seats fully and the retention clips click; the step often missed is pressing down firmly until both clips lock.

What maintenance or replacement will the ECC SODIMM kit need later?

The modules have no heat spreader and no moving parts, so no routine maintenance is required; replacement is only needed if a module fails or capacity must be increased beyond 64 GB.

What limit appears first under sustained use with these CL19 2666 MHz modules?

The CAS latency of CL19 at 2666 MHz sets the timing boundary; under continuous load the memory controller will hit this latency ceiling before any thermal or voltage limit is reached.

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