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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 262-pin 1.1V SODIMM laptop RAM

SKU CH-GS0N-KXE59

A 16 GB DDR5 SODIMM running at 4800 MHz with CL40 latency and 1.1 V operation for laptops and all-in-one systems

  • Capacity16GB
  • Type262-Pin DDR5 SO-DIMM
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 16GB

  • 16 GB DDR5 4800 MHz boosts multitasking speed
  • CL40 latency and 1.1 V operation lower power draw
  • 262-pin SODIMM fits laptops, all-in-ones and NAS
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 1Rx8 rank simplifies installation in one slot

16GB DDR5 4800 SODIMM

This OWC module provides 16GB of DDR5 memory at 4800MHz with CL40 latency. It uses the 262-pin SO-DIMM form factor and runs at 1.1V. The unbuffered non-ECC design follows JEDEC standards for laptop and all-in-one upgrades.

Laptop and NAS upgrades

The single 1Rx8 stick suits laptops, all-in-one PCs and compatible NAS systems that accept DDR5 SO-DIMMs. Systems requiring ECC, registered modules or a different pin count cannot use this memory. Builders needing more than 16GB per slot should look at higher-capacity modules.

262-pin DDR5 SO-DIMM form factor

The 262-pin DDR5 SO-DIMM interface is the sole specification that determines physical and electrical compatibility. Verify that the target device supports DDR5 SO-DIMMs before purchase.

Highlights

  • 16 GB DDR5 4800 MHz boosts multitasking speed
  • CL40 latency and 1.1 V operation lower power draw
  • 262-pin SODIMM fits laptops, all-in-ones and NAS
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 1Rx8 rank simplifies installation in one slot

Specifications

BrandOWC
Part Number4S8D51R816GB
Capacity16GB
Type262-Pin DDR5 SO-DIMM
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How can I confirm the module is running at 4800MHz CL40 after installation?

Check the memory speed and timings in your system BIOS or a utility such as CPU-Z; the module should report 4800MHz and CL40 at 1.1V.

What is included in the package and do I need any extra parts?

The box contains one 16GB DDR5 4800 CL40 262-pin SODIMM module; no heat spreader, cables or tools are supplied, and none are required for installation.

Which version of this module should I select for a laptop that takes a single 262-pin DDR5 SODIMM?

Choose the 16GB 4800MHz CL40 1Rx8 1.1V non-ECC SODIMM (part number 4S8D51R816GB) — it matches the 262-pin form factor and voltage your system expects.

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