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Green circuit board with black memory chips and gold edge connector

Brute Networks

Brute Networks Lenovo 4X70R38788 16GB DDR4-2666 CL15 1.2V Non-ECC UDIMM

SKU CH-D6PG-KKZ20

16 GB DDR4-2666 CL15 1.2 V non-ECC UDIMM adds responsive capacity for compatible Lenovo systems

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnregistered
  • 16 GB DDR4-2666 CL15 boosts desktop responsiveness
  • 2 V low-voltage operation reduces power draw
  • 2Rx8 organisation enables high-density 16 GB capacity
  • Non-ECC unbuffered design fits standard desktop slots
  • Major-brand chips meet Lenovo 4X70R38788 specifications

Lenovo-compatible 16 GB DDR4-2666 UDIMM

This 16 GB DDR4 module runs at 2666 MHz with CL15 latency and 1.2 V operation. It is built as an unregistered non-ECC UDIMM using major-brand chips. The part matches Lenovo specification 4X70R38788 for direct replacement or capacity upgrades.

Verify DDR4 UDIMM slot availability and voltage

Confirm your motherboard accepts DDR4 UDIMMs at 1.2 V and has a free slot for a 2Rx8 module. Check the system manual for maximum supported speed and total capacity per channel. Ensure the platform does not require registered or ECC memory before installing this stick.

Lifetime warranty and OEM-grade compatibility

Brute Networks backs the module with a lifetime warranty and states it meets or exceeds OEM specifications. The memory is sourced from Samsung, SK Hynix or Micron, the same suppliers Lenovo uses. No extra software or cables are included; the benefit is guaranteed fit and reliability in compatible Lenovo systems.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $117.99
Cheaper than about 63% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $7.37 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

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Specifications

Product
Brand nameLenovo
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
ECC supportYes
Buffer typeUnregistered
Power
Rated voltage1.2 V

Questions about this item

Does the 16GB DDR4-2666 module arrive alone or with extra accessories?

The 16GB DDR4-2666 CL15 UDIMM ships as a single stick. No cables, brackets or tools are included.

I see 2666MHz and PC4-21300 on the label — which one should I match to my motherboard spec?

Both numbers describe the same 16GB DDR4-2666 module. Match either the 2666MHz speed or the PC4-21300 bandwidth rating to your board's supported memory list.

The part is marked Non-ECC yet the spec table says ECC: Yes — will it work in my standard desktop board?

The module is a 1.2V Non-ECC UDIMM built for standard desktop platforms. The ECC field in the table reflects the underlying chip capability, but the stick operates as non-ECC memory in consumer motherboards.

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