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Two green circuit-board SODIMM sticks with black chips, no heat spreader

OWC

OWC 64GB (2x32GB) DDR5 5600 CL46 SODIMM Memory Upgrade Kit for Lenovo Legion 5 16IRX9

SKU CH-3K7T-HNZSR

A 64 GB DDR5 5600 CL46 SODIMM kit built for the Lenovo Legion 5 16IRX9

  • Capacity64GB (2 x 32GB)
  • Type262-Pin DDR5 Non-ECC SODIMM
  • SpeedDDR5 5600 (PC5 44800)
  • CAS LatencyCL46
  • Voltage1.1V
  • ECCNo

Capacity 64GB (2 x 32GB)

  • 64GB total capacity lets you run more apps and larger files simultaneously
  • DDR5 5600 speed with CL46 latency delivers responsive multitasking performance
  • 1V low-voltage operation reduces power draw and heat in your Lenovo Legion 5 16IRX9
  • 262-pin SODIMM form factor fits directly into the laptop memory slots for straightforward DIY installation
  • JEDEC-standard and RoHS-compliant modules tested to meet OEM specifications for reliable operation

64GB DDR5 kit for Lenovo Legion 5 16IRX9

This kit supplies 64GB of DDR5 memory in two 32GB SODIMM modules rated at 5600 MT/s with CL46 latency. It is built to JEDEC standard at 1.1V and carries 2Rx8 organisation. The upgrade targets owners of the Lenovo Legion 5 16IRX9 who need more capacity for multitasking and larger workloads. Buyers whose laptop uses a different DDR generation or a non-SODIMM slot cannot use this kit.

Tool-free SODIMM swap with static precautions

Installation follows the usual SODIMM procedure: power off, disconnect the battery if accessible, open the memory door, align the notch on the 262-pin module, press in until the clips lock. No heat spreader is fitted so clearance is minimal. The most common issue is seating the module at an angle, which leaves the contact pins partly exposed and prevents boot. Buyers who prefer professional fitting should arrange that locally.

Verify slot count and maximum supported capacity

Before ordering, confirm the Legion 5 16IRX9 has two SODIMM slots and that its firmware accepts 32GB per slot for a 64GB total. The kit replaces Lenovo part 4X71M23189 and matches the OEM specification for speed, voltage and rank. Systems limited to 16GB per slot or locked to lower speeds will not benefit from the full kit.

Highlights

  • 64GB total capacity lets you run more apps and larger files simultaneously
  • DDR5 5600 speed with CL46 latency delivers responsive multitasking performance
  • 1V low-voltage operation reduces power draw and heat in your Lenovo Legion 5 16IRX9
  • 262-pin SODIMM form factor fits directly into the laptop memory slots for straightforward DIY installation
  • JEDEC-standard and RoHS-compliant modules tested to meet OEM specifications for reliable operation

Specifications

BrandOWC
Part Number5S6D52R8064P
Capacity64GB (2 x 32GB)
Type262-Pin DDR5 Non-ECC SODIMM
SpeedDDR5 5600 (PC5 44800)
CAS LatencyCL46
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo Legion 5 16IRX9

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Questions about this item

How can I confirm the 5600 CL46 DDR5 SODIMM kit is running correctly after installing it in my Lenovo Legion 5 16IRX9?

Open Task Manager or CPU-Z and verify the memory shows 5600 MT/s, CL46 timings, 1.1 V voltage and 64 GB total across both slots.

What comes in the box and is anything else required for the upgrade?

The kit includes two 32 GB 262-pin DDR5 SODIMM modules; no extra parts or tools are needed for installation.

Why choose this 64 GB 5600 CL46 kit instead of a lower-capacity or slower DDR5 option?

This 2 x 32 GB kit matches the Legion 5 16IRX9's validated DDR5 5600 CL46 1.1 V specification and provides the maximum 64 GB capacity in a dual-channel configuration.

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