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Two green circuit boards with black chips, thin rectangular SODIMM shape

OWC

OWC 64GB (2x32GB) DDR5 5600 CL46 2Rx8 SODIMM Memory Upgrade Kit for ThinkBook 14 G7 IML 16 G7 IML

SKU CH-9334-GDSBN

A 64 GB DDR5 5600 CL46 SODIMM kit built for ThinkBook 14 G7 IML and 16 G7 IML laptops

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8

Capacity 64GB (2 x 32GB)

  • 64 GB total capacity for heavy multitasking
  • DDR5 5600 speed with CL46 latency
  • 1 V operation reduces power draw
  • 262-pin SODIMM fits ThinkBook 14 G7 IML and 16 G7 IML
  • JEDEC and RoHS compliant for warranty-safe upgrade

64 GB DDR5 kit for ThinkBook 14 G7 and 16 G7

This OWC upgrade kit provides 64 GB of DDR5 memory in two 32 GB SODIMM modules. It is built specifically for the Lenovo ThinkBook 14 G7 IML and 16 G7 IML laptops. The kit targets users who need more capacity for multitasking and larger workloads on those models.

JEDEC standard modules with no heat spreader

Each module runs at 5600 MT/s with CL46 latency at 1.1 V. The 262-pin unbuffered non-ECC design follows JEDEC and RoHS specifications. The kit replaces Lenovo part 4X71M23189 and is validated for warranty-safe installation in the listed ThinkBook systems.

Verify your exact model and slot availability

Confirm your laptop is a ThinkBook 14 G7 IML or 16 G7 IML before ordering. Check how many SODIMM slots your unit has and whether any are already occupied. This kit requires two free slots to install both 32 GB modules.

How it compares

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

Price $849.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $13.28 per GB
Pricier than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number5S6D52R8064P
Total capacity64 GB (2 × 32 GB)
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo ThinkBook 14 G7 IML
Lenovo ThinkBook 16 G7 IML

Other versions of this model

5 more in the same range

Questions about this item

Will the 2Rx8 rank configuration require any future firmware updates on the ThinkBook 14 G7 IML?

The modules follow JEDEC DDR5 standards and are tested to meet OEM specs for the ThinkBook 14 G7 IML and 16 G7 IML, so no separate firmware updates are needed for the memory itself.

Does the CL46 latency become a bottleneck before the 5600 MT/s speed saturates the ThinkBook 16 G7 IML memory controller?

CL46 is the standard JEDEC timing for DDR5 5600; the memory controller in the ThinkBook 16 G7 IML is designed for this speed and latency combination.

How much heat do the two 32 GB modules generate at 1.1 V during all-day workloads without a heat spreader?

Operating at 1.1 V without a heat spreader, the SODIMMs run within normal DDR5 thermal limits for sustained laptop workloads.

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