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Green rectangular circuit board with gold edge contacts and black memory chips, no heat spreader

OWC

OWC 16GB DDR5 4800 CL40 1.1V 262-pin SODIMM laptop RAM

SKU CH-7PN0-WYDV5

16 GB DDR5 SODIMM runs at 4800 MT/s with CL40 latency and 1.1 V operation for laptops and NAS systems

  • 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
  • 16 GB DDR5 memory expands laptop capacity for smoother multitasking
  • 4800 MHz speed delivers high data rates for responsive performance
  • CL40 latency supports quick access to active applications
  • 1 V operation reduces power draw for longer battery life
  • 262-pin SODIMM form factor fits compatible laptops and all-in-one systems

16GB DDR5 4800 SODIMM for Laptops

This OWC module adds 16GB of DDR5 memory at 4800MT/s with CL40 latency. It uses the standard 262-pin SO-DIMM form factor and runs at 1.1V. The part is designed as a direct replacement for Micron MTC8C1084S1SC48B in compatible laptops, all-in-one PCs and NAS systems.

Fits DDR5 SO-DIMM slots only

Builders upgrading a DDR5 laptop, all-in-one or supported NAS can install this unbuffered non-ECC module. Systems that require registered or ECC memory cannot use it. Machines limited to earlier DDR generations or a different pin count also cannot accept this part.

DDR5 4800 CL40 1.1V specification

The module operates at the JEDEC-standard DDR5 4800 speed with CL40 timings and 1.1V voltage. Matching these three values to the device's memory controller is the single check that decides whether the upgrade will work.

How it compares

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

Price $198.99
Pricier than about 79% 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 $12.44 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 the 262-pin DDR5 SO-DIMM fit my laptop's memory slot?

Yes, the module uses the standard 262-pin DDR5 SO-DIMM form factor designed for laptop and all-in-one memory slots.

What is the correct way to seat the module so it locks in place?

Align the notch with the slot key, insert at a slight angle, then press down firmly until both side clips click into the notches.

Does this 1.1V DDR5 module need any firmware updates or battery replacement over time?

No, it is a non-ECC unbuffered DRAM module with no firmware or onboard battery; it requires no maintenance after installation.

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