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Green printed circuit board with black memory chips and gold edge contacts

OWC

OWC 16GB DDR4 3200MHz CL22 1.2V 288-pin UDIMM memory upgrade 3U2D42R816GB

SKU CH-3QD5-F9HE8

16 GB DDR4 3200 MHz CL22 UDIMM for Lenovo ThinkCentre M70s G3, M70t G3, M75s G2, M75t G2 and M90t G2

  • Capacity16GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo
  • 16 GB capacity boosts multitasking headroom
  • DDR4 3200 MHz CL22 speed matches system spec
  • 2 V low voltage keeps power draw minimal
  • 288-pin UDIMM fits ThinkCentre M70s G3 M70t G3 M75s G2 M75t G2 M90t G2
  • Backward compatible with 2133 2400 2666 2933 MHz platforms

16GB DDR4 3200MHz UDIMM for Lenovo ThinkCentre

This 16GB DDR4 module runs at 3200MHz with CL22 latency and 1.2V operation. It uses a 288-pin unbuffered non-ECC design built to JEDEC standards. The kit is validated for Lenovo ThinkCentre M70s G3, M70t G3, M75s G2, M75t G2 and M90t G2 desktops.

Suits owners of listed ThinkCentre models needing

Buyers with other Lenovo desktops or custom builds should verify motherboard support for 2Rx8 DDR4 3200MHz UDIMMs before purchasing. Systems requiring ECC or registered memory cannot use this module. Laptops and small-form-factor boards using SO-DIMM slots are not compatible.

2Rx8 rank configuration decides compatibility

The module uses a dual-rank 2Rx8 organisation that must match the memory controller expectations of the target ThinkCentre platforms. Mismatched rank structures can prevent boot or reduce usable capacity. Confirm the existing memory rank layout before upgrading.

Highlights

  • 16 GB capacity boosts multitasking headroom
  • DDR4 3200 MHz CL22 speed matches system spec
  • 2 V low voltage keeps power draw minimal
  • 288-pin UDIMM fits ThinkCentre M70s G3 M70t G3 M75s G2 M75t G2 M90t G2
  • Backward compatible with 2133 2400 2666 2933 MHz platforms

Specifications

BrandOWC
Part Number3U2D42R816GB
Capacity16GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkCentre M70s G3
Lenovo ThinkCentre M70t G3
Lenovo ThinkCentre M75s G2
Lenovo ThinkCentre M75t G2
Lenovo ThinkCentre M90t G2

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How can I verify the module runs at 3200MHz CL22 after installing it in my ThinkCentre M70t G3?

Enter the BIOS or use a tool like CPU-Z; the SPD will show DDR4-3200 with a CAS latency of 22 when the system boots correctly.

What comes in the box with the 3U2D42R816GB module and do I need any extra parts for a ThinkCentre M75s G2?

The package contains the single 16GB 288-pin UDIMM; no additional brackets, cables or screws are required for installation in the listed ThinkCentre models.

Should I choose the 16GB CL22 stick or a different capacity for my M90t G2 upgrade?

This part number is the 16GB 3200MHz CL22 version; select it when you need a single 16GB module that matches the supported speed and latency for the M90t G2.

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