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Green rectangular circuit board with gold edge connector and black memory chips on both sides

OWC

OWC 16GB DDR5 5200 CL42 1Rx8 262-pin 1.1V SODIMM memory upgrade

SKU CH-0XAB-STEBM

A 16 GB DDR5 SODIMM running at 5200 MHz with CL42 latency for Lenovo Legion Pro 5 and Pro 7 laptops

  • Total capacity16 GB
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 16GB

  • 16 GB capacity expands multitasking headroom for demanding workloads
  • DDR5 5200 speed with CL42 latency accelerates data throughput
  • 1 V operation reduces power draw and heat output
  • 262-pin SODIMM form factor fits Lenovo Legion Pro 5 16ARX8 and Pro 7 16ARX8H
  • JEDEC and RoHS compliance ensures warranty-safe upgrade path

OWC 16GB DDR5 SODIMM upgrade

This OWC module adds 16GB of DDR5 memory to compatible Lenovo Legion Pro laptops. It targets owners of the Legion Pro 5 16ARX8 and Legion Pro 7 16ARX8H who want a straightforward capacity increase. The single stick uses a standard 262-pin SODIMM form factor for direct replacement or expansion.

JEDEC 1.1V operation and thermal profile

Running at the JEDEC standard 1.1V, the module draws minimal power and generates little heat during typical workloads. No heat spreader is fitted, so the slim profile fits tight SODIMM slots without clearance issues. Silent, passive operation is maintained under normal multitasking and content-creation loads.

Unbuffered non-ECC build for DIY installation

The 1Rx8 unbuffered non-ECC design matches the factory specification for the listed Legion models, ensuring warranty-safe compatibility. Installation requires only a small screwdriver and access to the memory bay on the underside of the chassis. One module per slot populates the 262-pin connector securely.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $202.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $12.69 per GB
Pricier than about 58% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number5S2D51R816 GB
Total capacity16 GB
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo Legion Pro 5 16ARX8
Lenovo Legion Pro 7 16ARX8H

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 262-pin DDR5 SODIMM in my Lenovo Legion Pro 5 16ARX8, and what step is often missed?

Power off the laptop, unplug it, remove the bottom cover, insert the module at an angle into the slot until the clips click, then reassemble; the step often missed is fully seating the module so both retention clips engage.

What maintenance or replacement will the 16GB DDR5 5200 CL42 module need over its lifetime?

No routine maintenance is required; keep vents clear of dust and ensure the 1.1V power delivery remains stable, and the module should last the laptop's usable life without replacement.

What limit appears first when the 1Rx8 DDR5 5200 memory runs under sustained heavy workloads?

The CL42 latency at 5200 MT/s is the primary bottleneck; bandwidth saturates before thermal throttling becomes an issue on this unbuffered SODIMM.

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