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Green circuit board with black memory chips and gold edge connector

OWC

OWC 16GB DDR5 4800 CL40 262-pin SODIMM Samsung M425R2GA3BB0-CQK laptop RAM

SKU CH-09QB-YCYW1

16GB DDR5 4800 CL40 SODIMM laptop memory at 1.1V for compatible notebooks and NAS

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • 16GB DDR5 capacity lets you run more apps at once
  • 4800MHz CL40 speed delivers fast data access for responsive multitasking
  • 1V low voltage reduces power draw and heat in laptops
  • 262-pin SODIMM form factor fits standard laptop and all-in-one slots
  • JEDEC compliant and ROHS certified for a warranty-safe upgrade

OWC 16GB DDR5 4800 SODIMM

This OWC module provides 16GB of DDR5 memory at 4800MHz with CL40 latency. It uses a 262-pin SO-DIMM form factor and operates at 1.1V. The unbuffered, non-ECC design targets laptops, all-in-one systems and NAS devices. It replaces Samsung part M425R2GA3BB0-CQK.

Suits DDR5 laptop and NAS upgrades.

Buyers whose platforms require ECC or registered memory cannot use this module. Systems limited to 288-pin DIMM slots or to earlier DDR generations are also incompatible. The 1Rx8 organisation fits mainstream consumer sockets.

Speed and form factor decide fit

The single specification that determines compatibility is the DDR5 4800 PC5-38400 262-pin SO-DIMM interface. Only devices built for this exact speed, voltage and pin count will accept the module.

How it compares

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

Price $208.99
Pricier than about 80% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $13.06 per GB
Pricier than about 90% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number4S8D51R816 GB
Total capacity16 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Questions about this item

Will this 262-pin DDR5 4800 SODIMM work alongside my existing DDR5 memory in the same laptop?

It will work if your laptop supports DDR5 4800 CL40 at 1.1 V and has a free 262-pin slot. Matching speed, voltage and timing gives the best stability.

How can I verify the module is running at 4800 MT/s CL40 after installation?

Open Task Manager or a tool like CPU-Z and confirm the memory shows 4800 MT/s and CL40 timings at 1.1 V.

What comes in the box and do I need any extra parts to install it?

The box contains the 16 GB 262-pin DDR5 SODIMM only. No tools, screws or heat spreader are included or required.

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