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Green rectangular circuit board with gold edge connectors and black memory chips

OWC

OWC 8GB DDR5 5600 CL46 1Rx8 262-pin 1.1V SODIMM for ThinkBook 14 2-in-1 G4 IML

SKU CH-C93J-9PE7R

8GB DDR5 5600 SODIMM upgrades the ThinkBook 14 2-in-1 G4 IML with JEDEC-standard CL46 1.1V memory

  • Total capacity8 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 8GB

  • 8 GB capacity adds multitasking headroom for ThinkBook 14 2-in-1 G4 IML
  • DDR5 5600 speed delivers responsive performance at 1.1 V
  • CL46 latency supports quick data access in daily workloads
  • 262-pin SODIMM form factor fits the laptop slot without adapters
  • JEDEC-standard build ensures warranty-safe upgrade for Lenovo part 4X71M23185

Tailored DDR5 SODIMM for ThinkBook 14 2-in-1 G4 IML

This OWC 8 GB DDR5 module is built specifically for the Lenovo ThinkBook 14 2-in-1 G4 IML. It arrives as a single 262-pin SODIMM rated at 5600 MT/s with CL46 latency. The part replaces Lenovo component 4X71M23185 and carries JEDEC and RoHS compliance.

Unbuffered non-ECC design with 1.1 V operation

The stick uses an unbuffered 1Rx8 layout without a heat spreader, keeping the profile low for the slim chassis. Installation follows standard SODIMM procedure and the 1.1 V voltage matches the platform spec. OWC validates every module in-house and backs it with a limited lifetime warranty and free technical support.

8 GB single-module capacity

The kit provides exactly 8 GB in one rank-eight module. Buyers who want more storage or who need a second card for dual-channel bandwidth must add another identical stick. No other capacities or speeds are included in this package.

How it compares

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

Price $143.99
Cheaper than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $18.00 per GB
Pricier than about 64% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number5S6D51R808 GB
Total capacity8 GB
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo ThinkBook 14 2-in-1 G4 IML

Other versions of this model

5 more in the same range

Questions about this item

What DDR5 speed and CAS latency does this 262-pin SODIMM use?

It runs at 5600 MT/s with CL46 timing and a PC5-44800 rating.

What physical slot and module height does the ThinkBook 14 2-in-1 G4 IML require for this upgrade?

The laptop takes a 262-pin DDR5 SODIMM; this module has no heat spreader so it fits the standard low-profile slot.

How is the SODIMM installed and which orientation mistake should I avoid?

Power off, open the memory door, align the notch on the 262-pin edge connector with the key in the slot, press in firmly until the side clips click — inserting it backwards is the common error.

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