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Two green DDR4 SO-DIMM sticks, 260-pin, no heat spreader

OWC

OWC 32GB (2x16GB) DDR4 3200MHz ECC Unbuffered SODIMM CL22 1.2V 260-pin

SKU CH-H3CF-19W0A

A 32 GB dual-channel kit of DDR4 3200 ECC SODIMMs for laptops, NAS and micro servers, running at 1.2 V with CL22 latency

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • ECC supportECC
  • Buffer typeUnbuffered

Capacity 32GB (2 x 16GB)

  • ECC protection guards data integrity in critical workloads
  • Dual-channel 32GB kit enables smoother multitasking
  • 3200MHz DDR4 speed lifts system responsiveness
  • 2V low voltage reduces power draw and heat
  • Backward compatible with 2933, 2666, 2400 and 2133MHz systems

What this kit provides

This dual-channel kit delivers 32 GB of DDR4 ECC memory in two 16 GB SO-DIMM modules. It targets laptops, all-in-one PCs and NAS devices that support 260-pin unbuffered ECC memory and benefit from error correction. The kit is not for systems that require registered or load-reduced modules, nor for platforms limited to non-ECC memory.

Capacity and headroom

Two 16 GB modules give 32 GB total at 3200 MHz with CL22 latency and 1.2 V operation. The PC4-25600 rating provides headroom for multitasking, larger datasets and virtual machines, while JEDEC backward compatibility allows the sticks to run at 2933, 2666, 2400 or 2133 MHz when the platform demands it. Workloads that exceed 32 GB or require faster latency will outgrow this kit.

Build integration

Each module uses the standard 260-pin SO-DIMM form factor without a heat spreader, fitting tight laptop and NAS slots. The unbuffered ECC design works with compatible chipsets that expose ECC functionality; it will not function as ECC on platforms that lack support. No extra cooling or voltage adjustment is needed beyond the stock 1.2 V specification.

How it compares

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

Price $238.99
Pricier than about 82% 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 $7.47 per GB
Pricier than about 65% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameOWC
Part number3C2D41R8032P
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportECC
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

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Questions about this item

Will the 3200 MHz CL22 260-pin ECC SODIMMs run stably alongside my existing 2666 MHz DDR4 laptop memory?

Yes — the kit is backwards compatible with 2933 MHz, 2666 MHz, 2400 MHz and 2133 MHz systems, so it will down-clock to match your current modules.

How can I confirm the dual-channel 32 GB kit is operating at 3200 MHz with ECC active after installation?

Check the memory speed and ECC status in your BIOS/UEFI or with a tool such as CPU-Z; both should show 3200 MHz (PC4-25600) and ECC enabled.

Does the 2 x 16 GB package include only the two SODIMM modules, or are any tools or adapters also supplied?

The box contains the two 260-pin DDR4 ECC SODIMMs only; no screwdrivers, brackets or adapters are included.

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