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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 16GB DDR4 3200MHz CL22 1.2V 260pin Non-ECC SODIMM memory upgrade

SKU CH-KFMW-46VKV

16 GB DDR4 3200 MHz CL22 SODIMM module upgrades compatible Lenovo ThinkCentre M70a G3, M70q, M90q and M90s G2 systems

  • Capacity16GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo
  • 16GB capacity adds headroom for multitasking
  • DDR4 3200MHz speed matches system bus
  • CL22 latency at 1.2V standard voltage
  • 260-pin SODIMM fits Lenovo ThinkCentre models
  • JEDEC compliant for warranty-safe upgrade

Capacity and compatibility

This 16GB DDR4 SODIMM module is built for Lenovo ThinkCentre M70a G3, M70q, M90q and M90s G2 desktops. It uses the 260-pin form factor and runs at 3200MHz with CL22 latency. The non-ECC, unbuffered design matches the original equipment specifications for those systems.

Thermals and power

Operating at 1.2V, the module follows the standard DDR4 voltage profile and draws minimal power during normal workloads. No heat spreader is fitted, so the memory relies on the chassis airflow already present in the compatible ThinkCentre units. JEDEC compliance ensures stable operation within the platform thermal envelope.

Warranty-safe upgrade

The kit is validated against Lenovo part numbers including 5M30V06972 and 01AG877, confirming a direct replacement path that preserves the system warranty. OWC testing covers JEDEC and ROHS standards, so the module installs without firmware changes or configuration steps. Matching capacity and speed across slots is recommended for best results.

Highlights

  • 16GB capacity adds headroom for multitasking
  • DDR4 3200MHz speed matches system bus
  • CL22 latency at 1.2V standard voltage
  • 260-pin SODIMM fits Lenovo ThinkCentre models
  • JEDEC compliant for warranty-safe upgrade

Specifications

BrandOWC
Part Number3S2D42R816GB
Capacity16GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkCentre M70a G3
Lenovo ThinkCentre M70q
Lenovo ThinkCentre M90q
Lenovo ThinkCentre M90s G2

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Questions about this item

How do I install the 260-pin SODIMM in a Lenovo ThinkCentre M70q, and what step is often missed?

Power off and unplug the system, open the chassis, align the notch on the 260-pin module with the slot key, press firmly until both side clips click, then reassemble; the step often missed is verifying both clips lock fully.

What maintenance or replacement will the 16GB DDR4 module need later?

No scheduled maintenance is required; the module has no heat spreader and no moving parts, so replacement is only needed if a fault develops or capacity must be increased.

What limit appears first on the CL22 1.2V module under sustained heavy workloads?

The CAS latency of CL22 at 3200MHz sets the timing ceiling, so latency-sensitive tasks hit that limit before bandwidth saturates.

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