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Two green DDR4 SODIMM modules, black chips, no heat spreader

NEMIX RAM

NEMIX RAM 16GB (2x8GB) DDR4 2666MHz CL19 1.2V 260-pin SODIMM kit for Apple iMac Mac Mini memory upgrade

SKU CH-530D-PW7Y8

A 16 GB dual-channel DDR4 SODIMM kit running at 2666 MHz with CL19 latency and 1.2 V operation for compatible Apple iMac and Mac Mini systems

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 16 GB kit (2 × 8 GB) doubles memory capacity for smoother multitasking
  • DDR4 2666 MHz PC4-21300 speed matches factory Apple specification
  • CL19 latency at 1.20 V keeps power draw low and stability high
  • 260-pin SODIMM form factor fits iMac and Mac Mini slots directly
  • Major OEM Samsung Micron Hynix chips tested under load for reliability

iMac and Mac Mini memory kit

This 16 GB kit contains two 8 GB DDR4 2666 MHz SODIMM modules built for Apple iMac and Mac Mini systems. It targets owners who need more memory for everyday multitasking or heavier workloads.

260-pin unbuffered non-ECC build

Modules use major OEM chips from Samsung, Micron or Hynix and run at 1.2 V with CL19 latency. The 260-pin SODIMM form factor fits the factory slots without adapters or heat spreaders.

DDR4 2666 ceiling

Speed is fixed at DDR4 2666 (PC4-21300) so the memory cannot run faster than the platform allows. Buyers who want higher frequencies or ECC error correction must choose a different kit.

How it compares

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

Price $85.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.37 per GB
Cheaper than about 72% 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 lineApple iMac/Mac Mini Compatible Series Memory
Model nameApple DDR4 2666 MHz Non-ECC Unbuffered SODIMM
Part numberMS21300-818K2
Total capacity16 GB (2 × 8 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 rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsApple
In the box
Included items16 GB (2 × 8 GB) DDR4 2666 MHz PC4-21300 2Rx8 1.2 V CL19 260-PIN Non-ECC Unbuffered SODIMM KIT

Questions about this item

Will the DDR4 2666 (PC4-21300) interface run at its rated speed in my iMac or Mac Mini?

The kit is rated DDR4 2666 (PC4-21300); the system memory controller sets the actual operating speed.

What physical slot and module size does this 260-pin SODIMM kit require?

It uses 260-pin DDR4 SODIMM modules; each stick is a standard 1Rx8 unbuffered design.

What is the correct installation sequence for the two 8 GB modules?

Power off, open the memory door, release the side clips, align the notch, press firmly until the clips lock, then repeat for the second slot.

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