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Green rectangular SODIMM module with black chips and gold edge connector

OWC

OWC 32GB DDR5 4800 CL40 ECC SODIMM for Samsung M426R4GA3BB0-CQK laptop RAM

SKU CH-B92V-RNK5T

32 GB DDR5-4800 CL40 ECC SODIMM replaces Samsung M426R4GA3BB0-CQK for laptops, NAS and all-in-one systems

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • ECC protection guards data integrity with on-die error correction
  • 32 GB capacity enables heavy multitasking and large workloads
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • 1 V operation reduces power draw and heat output
  • 262-pin SODIMM form factor fits compatible laptops and NAS systems

32GB DDR5 4800 ECC SODIMM

This OWC module adds 32GB of DDR5 4800 memory with CL40 latency and ECC error correction. It runs at 1.1V and uses the standard 262-pin SO-DIMM form factor. The unbuffered design is intended for laptops, all-in-one PCs and NAS systems that support DDR5 ECC memory.

Compatibility and limits

The module suits owners of laptops, all-in-one desktops or NAS units that accept 262-pin DDR5 ECC SO-DIMMs and can use a 32GB single stick. Systems limited to non-ECC memory, platforms that require registered DIMMs, or devices with soldered RAM cannot use this upgrade.

JEDEC DDR5 4800 specification

The single specification that decides fitment is the JEDEC-standard DDR5 4800 (PC5-38400) rating with CL40 timing, 1.1V operation and ECC unbuffered organisation. Only systems whose memory controller supports that exact combination will recognise and run the module correctly.

How it compares

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

Price $689.99
Pricier than about 91% 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 $21.56 per GB
Pricier than about 90% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameOWC
Part number4C8D52R832 GB
Total capacity32 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Questions about this item

Does the 1.1V DDR5 module run hotter or draw more power than standard laptop memory during all-day use?

The 1.1V operating voltage matches JEDEC DDR5 specification, so power draw and thermals are comparable to other DDR5-4800 SODIMMs; no heat spreader is fitted.

My laptop has a 262-pin DDR5 slot — is anything else required for this ECC SODIMM to function?

The system must support unbuffered ECC DDR5 at 4800 MT/s; the module installs directly into a standard 262-pin slot with no extra hardware.

Will this 32GB CL40 ECC stick work alongside an existing non-ECC DDR5 module in the same laptop?

Mixing ECC and non-ECC modules is not supported by most laptop memory controllers; for reliable operation use identical ECC modules in all populated slots.

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