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Green circuit board with black memory chips and gold edge connectors

OWC

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

SKU CH-0TXD-2GB1Z

A 32 GB DDR5 4800 CL40 SODIMM for Lenovo ThinkCentre M80q Gen 3, M90a Pro Gen 3 and M90q Gen 3

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 32 GB single module doubles capacity for Lenovo ThinkCentre M80q Gen 3, M90a Pro Gen 3 and M90q Gen 3
  • DDR5 4800 CL40 at 1.1 V delivers high bandwidth with standard JEDEC timings
  • 2Rx8 dual-rank organisation improves memory controller efficiency in compatible systems
  • 262-pin SODIMM form factor fits the designated ThinkCentre slots without adapters
  • Non-ECC unbuffered design keeps installation simple for a straightforward DIY upgrade

ThinkCentre M80q M90a M90q upgrade

This 32GB DDR5 SODIMM is built for Lenovo ThinkCentre M80q Gen 3, M90a Pro Gen 3 and M90q Gen 3 desktops. It replaces Lenovo part 4X71K20070 and installs as a single module in the available SO-DIMM slot. Buyers who need ECC error correction or registered buffering must choose a different module.

DDR5 4800 CL40 1.1V limits

The module runs at JEDEC-standard DDR5 4800 with CL40 latency and 1.1V voltage. Systems that only support lower DDR5 speeds will down-clock the part, while platforms requiring higher data rates or different voltages cannot use it.

2Rx8 262-pin non-ECC SODIMM

The dual-rank 2Rx8 organisation on a 262-pin unbuffered non-ECC stick is the single specification that decides fit. Only ThinkCentre models listed above accept this exact rank, pin count and ECC configuration.

How it compares

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

Price $381.99
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 $11.94 per GB
Pricier than about 57% 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 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 ThinkCentre M80q Gen 3
Lenovo ThinkCentre M90a Pro Gen 3
Lenovo ThinkCentre M90q Gen 3

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the 32 GB module or add two smaller sticks for my ThinkCentre M90q Gen 3?

This is a single 32 GB DDR5 4800 CL40 SODIMM; if your system has only one slot or you want maximum capacity per slot, this module fills it in one step.

What does the 4800 MT/s rating deliver once installed in a Lenovo ThinkCentre M80q Gen 3?

The module runs at JEDEC-standard DDR5 4800 with CL40 latency at 1.1 V, giving the rated bandwidth and timing the platform expects without overclocking.

Is the 262-pin DDR5 SODIMM interface compatible with the memory slot in my M90a Pro Gen 3?

Yes — the 262-pin DDR5 SODIMM form factor matches the slot used in the listed ThinkCentre models, and the module is unbuffered non-ECC as required.

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