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Green rectangular circuit board with gold edge contacts and black memory chips, no heat spreader

OWC

OWC 16GB DDR5 4800 PC5-38400 CL40 1Rx8 288-pin 1.1V Non-ECC UDIMM memory upgrade

SKU CH-3197-M6T49

16 GB DDR5-4800 UDIMM adds capacity to Lenovo ThinkCentre M80s, M80t, M90s, M90t and neo 70t Gen 3 desktops

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 16 GB DDR5 4800 MHz CL40 boosts multitasking speed
  • 1 V low voltage cuts power draw and heat
  • JEDEC compliant ensures warranty safe upgrade
  • 288 pin UDIMM fits Lenovo ThinkCentre M80s M80t M90s M90t neo 70t Gen 3
  • Single rank 1Rx8 design simplifies installation in one slot

Lenovo ThinkCentre DDR5 Upgrade

This 16 GB DDR5 module is built for Lenovo ThinkCentre M80s, M80t, M90s, M90t and neo 70t Gen 3 desktops. It delivers a JEDEC-standard 4800 MT/s speed at 1.1 V in a 288-pin unbuffered UDIMM form factor.

Off-the-shelf desktop owners

The stick is validated only for the ThinkCentre models listed above; owners of other desktops, laptops or workstations should verify their platform's qualified-vendor list before purchasing. Systems that require ECC or registered memory cannot use this non-ECC unbuffered module.

Single-rank 1Rx8 organisation

The module uses a 1Rx8 layout with CL40 latency, a combination that the supported ThinkCentre platforms expect for stable operation at DDR5-4800. Builders whose boards demand dual-rank or x4-based DIMMs will need a different part.

How it compares

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

Price $213.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $13.37 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 number4U8D51R816 GB
Total capacity16 GB
Product type288-Pin DDR5 Non-ECC UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo 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

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 1.1V DDR5 4800 module draw when the system runs all day?

The module operates at 1.1V, the standard voltage for DDR5 4800, so power draw stays within JEDEC limits for continuous use.

Does my Lenovo ThinkCentre M80t Gen 3 need a BIOS update before I install this 288-pin UDIMM?

The module is designed to meet OEM specs for the M80t Gen 3 and other listed models, so it works with the factory BIOS.

Can I add this 16GB stick alongside the original 8GB DDR5 that came in my M90s Gen 3?

Yes, the 1Rx8 CL40 UDIMM matches the speed and voltage of the factory memory, allowing mixed-capacity operation.

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