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Green circuit board with black memory chips and gold edge connector

OWC

OWC 32GB DDR5 4800 CL40 ECC Unbuffered SODIMM laptop RAM

SKU CH-5H3A-1V2SR

32 GB DDR5 4800 CL40 ECC unbuffered SODIMM at 1.1 V 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
  • 32GB capacity enables heavier multitasking and larger datasets
  • DDR5 4800 speed with CL40 latency delivers responsive data access
  • ECC unbuffered design protects data integrity in critical workloads
  • 1V operation reduces power draw and heat output
  • 262-pin SODIMM form factor fits laptops, all-in-ones and NAS systems

OWC 32GB DDR5 4800 ECC SODIMM

This OWC module delivers 32GB of DDR5 memory at 4800 MT/s with a CL40 latency. It operates at the standard 1.1V and uses a 262-pin SO-DIMM form factor. The kit includes on-die ECC and an unbuffered design for data integrity. It is built as a direct replacement for the Kingston KSM48T40BD8KM-32HM part number.

Suits ECC-capable laptops and NAS units

The module targets owners of laptops, all-in-one systems and NAS devices that specifically support unbuffered ECC SO-DIMMs. It is not for machines that only accept non-ECC memory or that require registered or load-reduced DIMMs. Builders needing a non-ECC stick or a higher-speed grade should look at something else.

The ECC unbuffered specification decides fit

The single detail that determines compatibility is the ECC unbuffered designation combined with the 262-pin DDR5 interface. The system must explicitly support this ECC type; a standard non-ECC slot will not utilise the error-correction function. Verify the platform documentation before purchase.

How it compares

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

Price $690.99
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 $21.59 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 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

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

Open Task Manager on Windows or run dmidecode on Linux; the speed field should read 4800 MT/s and the part number 4C8D52R832GB.

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

The box contains one 32 GB 262-pin DDR5 SODIMM; no heat spreader or additional cables are included or required.

Which capacity should I choose for a dual-channel laptop?

This module is a single 32 GB stick; add a second identical 4C8D52R832GB module to populate both channels.

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