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Green rectangular DDR4 SODIMM module with black memory chips on both sides and gold edge connector

NEMIX RAM

NEMIX RAM 16GB DDR4 2666MHz CL19 1.2V 2Rx8 260-pin SODIMM Samsung compatible memory upgrade

SKU CH-6FBB-FASWP

16 GB DDR4 SODIMM running at 2666 MHz CL19 for Samsung laptops and all-in-one PCs

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 16GB DDR4 2666MHz SODIMM boosts laptop responsiveness
  • CL19 latency at 1.2V reduces power draw
  • 2Rx8 dual-rank layout increases memory bandwidth
  • 260-pin form factor fits Samsung laptop slots
  • Samsung M471A2K43DB1-CTD compatible module ensures drop-in upgrade

Samsung DDR4 2666 SODIMM upgrade

This 16GB NEMIX RAM module is built for Samsung laptops and all-in-one PCs that accept DDR4 2666 non-ECC SODIMMs. It suits users who need a single stick to expand memory capacity in a compatible Samsung system.

2Rx8 single-stick layout

The 1x16GB configuration adds the full 16GB in one slot, leaving any second slot free for future expansion. CL19 timing and 1.20V operation match the Samsung M471A2K43DB1-CTD specification without requiring BIOS changes.

Verify DDR4 SODIMM slot and maximum capacity

Confirm the device uses 260-pin DDR4 SODIMM sockets and supports 16GB modules at 2666 MT/s. Systems limited to lower densities or older DDR generations will not accept this module.

How it compares

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

Price $65.99
Cheaper than about 74% 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 $4.12 per GB
Cheaper than about 84% 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 nameNEMIX RAM
Product lineSamsung Laptop, AIO All-in-One PC Compatible Series Memory
Model nameSamsung DDR4 2666 MHz Non-ECC Unbuffered SODIMM
Part numberMS21300-628K1
Total capacity16 GB
Product type260-Pin DDR4 SODIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSamsung
In the box
Included items16 GB (1 × 16 GB) DDR4 2666 MHz PC4-21300 2Rx8 1.2 V CL19 260-PIN Non-ECC Unbuffered SODIMM

Questions about this item

Will the 2Rx8 rank layout on this 260-pin SODIMM ever require a firmware update or chip-level servicing?

No — the 2Rx8 organisation is fixed at manufacture and the module has no user-serviceable firmware or replaceable components.

What electrical limit appears first when the CL19 2666 MT/s module runs continuously at 1.2 V?

The JEDEC-defined 1.2 V operating voltage is the primary ceiling; sustained loads cannot exceed this rail without violating the DDR4 specification.

Does the non-ECC unbuffered 16 GB stick generate audible noise or measurable heat during all-day operation?

The module has no moving parts so it produces no audible noise; heat output stays within normal DDR4 SODIMM thermal limits at 1.2 V.

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