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Two green DDR5 SODIMM modules, bare circuit boards with gold contacts

OWC

OWC 16GB (2x8GB) DDR5 4800 CL40 1.1V 262-pin SODIMM laptop RAM

SKU CH-NR9Z-XS77B

A 16 GB dual-channel DDR5 SODIMM kit running at 4800 MHz with CL40 latency and 1.1 V operation for laptops, all-in-ones and NAS systems

  • Total capacity16 GB (2 × 8 GB)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit
  • Recommended forLaptops, All-in-One Systems, and NAS Systems

Capacity 16GB (2 x 8GB)

  • 16 GB dual-channel kit doubles memory bandwidth for smoother multitasking
  • DDR5 4800 MT/s CL40 delivers fast data rates with low latency
  • 1 V operation reduces power draw and heat in thin laptops
  • 262-pin SODIMM form factor fits compatible notebooks and all-in-one systems
  • JEDEC and RoHS compliant for warranty-safe upgrades

Dual-Channel DDR5 SODIMM Kit

This OWC upgrade kit delivers 16GB of DDR5 memory as two 8GB modules running at 4800MHz with CL40 latency. It uses the 262-pin SO-DIMM form factor and operates at the standard 1.1V. The kit is designed for laptops, all-in-one PCs and compatible NAS systems that support DDR5 SO-DIMM memory.

Suitable for DDR5 SO-DIMM Slots

Builders upgrading a laptop or all-in-one with an available DDR5 SO-DIMM slot pair will find this dual-channel kit a direct fit. Systems that require ECC or registered memory, need a different voltage, or only have a single SO-DIMM slot cannot use this kit. Buyers whose platforms do not support DDR5 SO-DIMMs should look elsewhere.

4800MHz CL40 DDR5 Speed Rating

The modules run at PC5-38400 (4800MHz) with a CAS latency of CL40 at 1.1V. This JEDEC-standard speed is the primary specification that determines whether the memory matches the system's supported memory controller settings. Verify that the target device accepts 4800MHz DDR5 SO-DIMMs before purchasing.

How it compares

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

Price $274.99
Pricier than about 84% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $17.19 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 number4S8D51R8016P
Total capacity16 GB (2 × 8 GB)
Product type262-Pin DDR5 SO-DIMM
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Questions about this item

Does my laptop need a DDR5 262-pin SO-DIMM slot to use this kit?

Yes, the modules are 262-pin DDR5 SO-DIMMs and only fit DDR5 laptop slots.

Can I keep one existing 8 GB module and add one stick from this kit?

The kit is a matched dual-channel pair; mixing capacities or speeds can prevent dual-channel operation.

How do I confirm the memory is running at PC5-38400 4800 MHz CL40 after installation?

Check the memory speed and timings in BIOS or a tool like CPU-Z; they should show 4800 MHz and CL40.

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