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Green circuit board with gold edge connector and black memory chips

OWC

OWC 32GB DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V Non-ECC UDIMM memory upgrade

SKU CH-8PW2-G36GJ

A single 32 GB DDR5 4800 UDIMM for Lenovo ThinkCentre M80s, M80t, M90s, M90t and neo 70t Gen 3 systems

  • Capacity32GB
  • Type288-Pin DDR5 Non-ECC UDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • 32 GB DDR5 module expands multitasking headroom for Lenovo ThinkCentre desktops
  • JEDEC-standard 4800 MT/s CL40 timing ensures stable operation at rated speed
  • 1 V DDR5 voltage reduces power draw compared with earlier DDR generations
  • 2Rx8 dual-rank organisation increases memory density without extra slots
  • Direct replacement for Lenovo part 4X71K53892 guarantees fit and firmware compatibility

OWC 32GB DDR5 UDIMM for Lenovo ThinkCentre

This OWC module is a 32GB DDR5 4800 PC5-38400 CL40 2Rx8 288-pin 1.1V Non-ECC UDIMM built for specific Lenovo ThinkCentre desktops. It targets owners of the M80s Gen 3, M80t Gen 3, M90s Gen 3, M90t Gen 3 and neo 70t Gen 3 who need a single high-capacity stick. The part number 4U8D52R832GB replaces Lenovo 4X71K53892 and meets JEDEC and RoHS standards.

Suits ThinkCentre Gen 3 owners needing 32GB per slot

Buyers with the listed ThinkCentre models can install this unbuffered DIMM as a straightforward DIY upgrade. Systems that require registered or ECC memory cannot use this part. Workstations needing speeds above 4800MHz or lower CAS latency should look elsewhere. The module has no heat spreader, so cases with very restricted airflow around the memory slots may not be ideal.

32GB density in a single DDR5 UDIMM

The deciding specification is the 32GB capacity combined with the DDR5 4800 PC5-38400 CL40 2Rx8 1.1V unbuffered UDIMM form factor. If your ThinkCentre model and motherboard support this exact density, speed, voltage and rank configuration, the module will work. Verify your system documentation for maximum supported capacity per slot and total memory limit before purchasing.

Highlights

  • 32 GB DDR5 module expands multitasking headroom for Lenovo ThinkCentre desktops
  • JEDEC-standard 4800 MT/s CL40 timing ensures stable operation at rated speed
  • 1 V DDR5 voltage reduces power draw compared with earlier DDR generations
  • 2Rx8 dual-rank organisation increases memory density without extra slots
  • Direct replacement for Lenovo part 4X71K53892 guarantees fit and firmware compatibility

Specifications

BrandOWC
Part Number4U8D52R832GB
Capacity32GB
Type288-Pin DDR5 Non-ECC UDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkCentre M80s Gen 3
Lenovo ThinkCentre M80t Gen 3
Lenovo ThinkCentre M90s Gen 3
Lenovo ThinkCentre M90t Gen 3
Lenovo ThinkCentre neo 70t Gen 3

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Questions about this item

Should I pick the 32GB module or combine smaller kits for my ThinkCentre M90t Gen 3?

The single 32GB DIMM fills one slot and leaves room for a second identical module later, matching the 2Rx8 rank layout the platform expects.

What does the 4800 CL40 rating deliver in everyday workloads on a Lenovo neo 70t Gen 3?

At 4800 MT/s with CL40 timing the module runs at the standard JEDEC DDR5 speed, giving full bandwidth without manual tuning.

Does the 288-pin DDR5 interface limit the maximum transfer rate on these ThinkCentre desktops?

The 288-pin DDR5 UDIMM socket caps at the rated 4800 MT/s PC5-38400 data rate; higher speeds would need a different platform.

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