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Green circuit board with black memory chips, gold edge connector, thin rectangular SODIMM shape

OWC

OWC 32GB DDR4 2666 CL19 260-pin SODIMM laptop RAM

SKU CH-P5YQ-BGCR4

A 32 GB DDR4 2666 CL19 SODIMM module for laptops, mini desktops and NAS systems, running at 1.2 V with 260 pins and backwards compatibility to 2400 and 2133 MHz

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • 32GB capacity lets you run more applications simultaneously
  • DDR4 2666 speed with CL19 latency delivers responsive system performance
  • 2V operation reduces power draw and heat in compact laptops
  • 260-pin SODIMM form factor fits a wide range of notebooks and NAS units
  • JEDEC and RoHS compliant for a warranty-safe upgrade

OWC 32GB DDR4 2666 SODIMM

This OWC module provides 32GB of DDR4 memory at 2666MHz with CL19 latency. It uses the standard 260-pin SO-DIMM form factor and operates at 1.2V. The kit is designed as a direct replacement for the QNAP RAM-32GDR4T0-SO-2666 part.

Suits laptops NAS and mini desktops

This unbuffered non-ECC memory fits laptops, all-in-one systems, micro servers and NAS units that accept DDR4 SO-DIMMs. It is not for buyers who need ECC error correction or registered modules. Systems requiring higher frequencies or lower latencies should look elsewhere.

Single 32GB module at CL19

The decisive specification is the 32GB capacity on a single 260-pin stick running at CL19. Verify your device supports a 32GB module per slot and DDR4 2666 speeds before purchase. Backward compatibility with 2400MHz and 2133MHz systems is supported.

How it compares

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

Price $202.99
Pricier than about 79% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $6.34 per GB
Pricier than about 54% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameOWC
Part number2S6D42R832 GB
Total capacity32 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

Does the 1.2V DDR4 2666 module run cooler than higher-voltage RAM when a laptop or NAS operates continuously?

Yes. The 1.2V JEDEC-standard voltage keeps power draw low, so the unbuffered SODIMM generates less heat during all-day workloads in laptops, mini desktops or NAS systems.

What must the system already provide for this 260-pin SODIMM to be recognised at boot?

A DDR4 SO-DIMM slot wired for 260-pin unbuffered non-ECC memory and a BIOS or firmware that accepts 32 GB single-rank or dual-rank modules at 2666 MT/s.

Will the CL19 2666 MHz stick down-clock reliably beside existing 2400 MHz or 2133 MHz modules?

Yes. The module is backward compatible with 2400 MHz and 2133 MHz buses, so it will run at the lower speed and matched timings when paired with slower DDR4 SODIMMs.

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