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

OWC

OWC 16GB DDR4 2666MHz CL19 1.2V 288-Pin UDIMM for Dell Precision 3430 3431 3630

SKU CH-NZYD-GPK8J

16 GB DDR4 2666 MHz CL19 UDIMM for Dell Precision 3430, 3431 and 3630 workstations

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 16 GB capacity expands multitasking headroom
  • 2666 MHz DDR4 speed matches Dell Precision 3430 3431 3630 spec
  • CL19 latency and 1.2 V voltage meet JEDEC standard
  • 288-pin unbuffered non-ECC UDIMM fits desktop workstation slots
  • Backward compatible with 2133 MHz and 2400 MHz systems

OWC 16 GB DDR4 2666 MHz UDIMM for Dell Precision

This OWC module delivers 16 GB of DDR4 2666 MHz memory in a 288-pin unbuffered UDIMM form factor. It runs at 1.2 V with CL19 latency and a 2Rx8 rank configuration. The kit is validated for Dell Precision 3430, 3431 and 3630 workstations.

Who this suits and who it does not

It suits owners of the listed Precision models who want a straightforward capacity increase for multitasking or larger datasets. It is not ECC memory, so buyers who need error correction for data integrity should look elsewhere. It is also a single 16 GB stick, so systems requiring matched pairs for dual-channel operation will need a second identical module.

The specification that decides fit

The decisive factor is the 288-pin DDR4 2666 MHz UDIMM interface with non-ECC unbuffered operation. Only systems that accept this exact module type and speed will recognise the memory; proprietary or registered DIMM slots will not work.

How it compares

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

Price $81.99
Cheaper than about 70% 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 $5.12 per GB
Cheaper than about 75% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number2U6D42R816 GB
Total capacity16 GB
Product type288-Pin DDR4 Non-ECC UDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell Precision 3430
Dell Precision 3431
Dell Precision 3630

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 16GB module or add multiple sticks for my Dell Precision 3430?

This is a single 16GB DDR4 2666MHz CL19 UDIMM. Install one module to add 16GB, or populate additional slots with identical sticks to reach your desired total capacity.

Will the 2666MHz rating actually run at that speed in my Precision 3630?

The module is rated DDR4 2666 (PC4-21300) CL19 at 1.2V. Your Precision 3630 will run it at the highest speed the platform supports, up to 2666MHz.

Is the 288-pin UDIMM interface compatible with the memory slots in a Precision 3431?

Yes. The 288-pin DDR4 UDIMM form factor matches the DIMM slots in the Precision 3431, 3430 and 3630. It is unbuffered, non-ECC and operates at the standard 1.2V.

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