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Green circuit board with black memory chips and gold edge connector

OWC

OWC 16GB DDR5 5200 CL42 262-pin SODIMM laptop RAM

SKU CH-B63C-3N616

A 16 GB DDR5 laptop memory module running at 5200 MHz with CL42 latency and 1.1 V operation

  • Total capacity16 GB
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems

Capacity 16GB

  • 16 GB DDR5 boosts multitasking headroom
  • 5200 MT/s CL42 speeds up data access
  • 1 V operation reduces power draw
  • 262-pin SODIMM fits laptops and all-in-ones
  • JEDEC and RoHS compliant for warranty-safe upgrades

16 GB DDR5 SO-DIMM for laptops and NAS

This module delivers 16 GB of DDR5 memory in a 262-pin SO-DIMM form factor. It targets users upgrading select laptops, all-in-one PCs or compatible NAS systems. The single-rank 1Rx8 design operates at the JEDEC-standard 1.1 V without ECC or buffering.

Sustained operation at 5200 MT/s with CL42

Running at the rated PC5-41600 speed, the module maintains its CL42 latency during extended workloads rather than only in brief bursts. The 1.1 V operating voltage keeps power draw steady under continuous multitasking or large-file handling. JEDEC compliance ensures stable timing without relying on overclocking headroom.

Limited by the DDR5 SO-DIMM interface

The 262-pin connector and DDR5 signalling define the maximum bandwidth and latency floor for this upgrade. Systems that only support earlier DDR generations cannot accept the module physically or electrically. Capacity is fixed at 16 GB per slot, so total memory depends on the number of sockets the host provides.

How it compares

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

Price $201.99
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 $12.62 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 number5S2D51R816 GB
Total capacity16 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportNo
Buffer typeUnbuffered
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

How much heat and power does a 1.1 V 5200 MT/s DDR5 SODIMM add during all-day loads?

The module runs at the standard DDR5 voltage of 1.1 V and has no heat spreader, so thermal output stays low; typical DDR5 power draw at this speed is modest and well within laptop cooling limits.

What must my laptop or all-in-one already provide for this 262-pin DDR5 stick to work?

A free DDR5 SO-DIMM slot wired for 1.1 V unbuffered non-ECC memory and a BIOS that supports 5200 MT/s CL42 JEDEC timings.

Will this single-rank 1Rx8 16 GB module run stably beside an existing 8 GB DDR5 SODIMM in a dual-channel laptop?

Yes, if the other stick is also DDR5 at 1.1 V; the memory controller will run both at the lowest common speed and latency, giving matched dual-channel capacity.

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