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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 16GB DDR4 2666MHz CL19 1.2V 288-Pin UDIMM Lenovo ThinkCentre M920s M920t P330 G2

SKU CH-S0XC-V1ZR3

16 GB DDR4-2666 CL19 UDIMM upgrade for Lenovo ThinkCentre M920s, M920t, P330 and P330 G2

  • Capacity16GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • 16 GB DDR4 2666 MHz CL19 boosts Lenovo ThinkCentre M920s M920t P330 G2 responsiveness
  • 2 V JEDEC-standard PC4-21300 module ensures stable low-voltage operation
  • 288-pin non-ECC unbuffered UDIMM fits straight into desktop DIMM slots
  • 2Rx8 dual-rank organisation increases memory bandwidth for multitasking
  • backward compatible with 2133 MHz and 2400 MHz systems for flexible upgrades

OWC 16GB DDR4 2666MHz UDIMM

This 16GB DDR4 module runs at 2666MHz with CL19 latency and 1.2V operation. It uses a 288-pin unbuffered non-ECC design built to JEDEC specifications. The kit is validated for Lenovo ThinkCentre M920s, M920t, P330 and P330 G2 systems.

Suits owners of listed ThinkCentre models

Builders upgrading a compatible Lenovo ThinkCentre M920s, M920t, P330 or P330 G2 can install this module for a straightforward capacity increase. Systems that require ECC registered memory or a different pin count cannot use this UDIMM.

288-pin DDR4 UDIMM form factor

The decisive specification is the 288-pin DDR4 unbuffered DIMM form factor. Only motherboards accepting this exact physical and electrical interface will support the module.

Highlights

  • 16 GB DDR4 2666 MHz CL19 boosts Lenovo ThinkCentre M920s M920t P330 G2 responsiveness
  • 2 V JEDEC-standard PC4-21300 module ensures stable low-voltage operation
  • 288-pin non-ECC unbuffered UDIMM fits straight into desktop DIMM slots
  • 2Rx8 dual-rank organisation increases memory bandwidth for multitasking
  • backward compatible with 2133 MHz and 2400 MHz systems for flexible upgrades

Specifications

BrandOWC
Part Number2U6D42R816GB
Capacity16GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkCentre M920s
Lenovo ThinkCentre M920t
Lenovo ThinkCentre P330
Lenovo ThinkCentre P330 G2

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Questions about this item

Does the CL19 latency become a bottleneck during sustained heavy workloads?

CL19 is the standard JEDEC timing for DDR4-2666 and the module runs at 1.2V, so latency stays consistent under continuous load.

How much heat does the 16GB stick produce when running all day in a ThinkCentre M920s?

The unbuffered DDR4 module operates at 1.2V without a heat spreader, relying on normal case airflow to stay within JEDEC thermal limits.

Will this 288-pin UDIMM work in my ThinkCentre P330 G2 without any other hardware changes?

Yes, it is validated for the P330 G2 and the M920s, M920t and P330; just insert it into an empty DDR4 slot and the system will recognise it.

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