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Green rectangular circuit board with gold contacts and black memory chips, thin SODIMM form factor

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 262-pin 1.1V Non-ECC SODIMM memory upgrade

SKU CH-M671-Y7E7H

A 32 GB DDR5 SODIMM running at 4800 MHz CL40 for compatible Lenovo ThinkPad mobile workstations

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 32 GB DDR5 module expands multitasking headroom
  • 4800 MT/s JEDEC speed lifts data throughput
  • 1 V operation keeps thermals low
  • 262-pin SODIMM fits five ThinkPad models
  • CL40 latency supports responsive workloads

32GB DDR5 SODIMM for select ThinkPad models

This 32GB DDR5 4800 CL40 SODIMM upgrades compatible Lenovo ThinkPad workstations including the P1 Gen 5, P15v Gen 3, P16 Gen 1, T15p Gen 3 and X1 Extreme Gen 5. It delivers 32GB of unbuffered non-ECC memory in a single 262-pin module. The JEDEC-standard part replaces Lenovo part number 4X71K20070.

Simple SODIMM installation with standard access

Installation follows the usual SODIMM process: power off the notebook, remove the bottom cover, release the retention clips and seat the module firmly. No heat spreader is fitted, so clearance is not a concern. The only common issue is failing to insert the module fully until both clips click, which prevents the system from recognising the upgrade.

Single 32GB module at DDR5 4800 CL40

This upgrade provides exactly one 32GB rank-2Rx8 module running at 4800 MT/s with CL40 latency at 1.1V. Buyers who need more than 32GB total capacity or who prefer a matched pair of smaller modules should look elsewhere.

How it compares

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

Price $447.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $14.00 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 number4S8D52R832 GB
Total capacity32 GB
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo ThinkPad P1 Gen 5
Lenovo ThinkPad P15v Gen 3
Lenovo ThinkPad P16 Gen 1
Lenovo ThinkPad T15p Gen 3
Lenovo ThinkPad X1 Extreme Gen 5

Other versions of this model

5 more in the same range

Questions about this item

How can I confirm the module is running at DDR5 4800 CL40 after installation?

Check the memory speed and latency in your system BIOS or a tool such as CPU-Z; it should report DDR5 4800 (PC5-38400) with CAS latency 40.

What is included in the box and do I need any extra parts for installation?

The box contains the single 32 GB 262-pin DDR5 SODIMM module only; no tools, screws or additional components are required for a typical laptop slot.

Which version of this OWC DDR5 SODIMM should I select for my ThinkPad P1 Gen 5?

This part number 4S8D52R832GB is the only 32 GB DDR5 4800 CL40 2Rx8 1.1 V non-ECC SODIMM listed and replaces Lenovo part 4X71K20070.

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