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Two green circuit boards with black memory chips, no heat spreaders, 260-pin SODIMM form factor

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 2666 CL19 SODIMM Mac Mini 2018

SKU CH-S4Q3-N5M1E

A 64 GB DDR4 2666 CL19 SODIMM kit built for the 2018 Mac Mini using major OEM chips

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64 GB total capacity with two 32 GB modules
  • DDR4 2666 speed rated at PC4-21300 for Mac Mini 2018
  • CL19 CAS latency at 1.2 V standard voltage
  • 260-pin SODIMM form factor fits Apple Macmini8,1 slot
  • Non-ECC unbuffered 2Rx8 chips from major OEM suppliers

Mac Mini 2018 memory kit

This 64 GB DDR4 SODIMM kit targets owners of the Apple Mac Mini 2018 who need the maximum factory-supported memory. Two 32 GB modules fill both slots and deliver 2666 MT/s throughput at CL19 latency. The non-ECC unbuffered design matches the system's native memory controller requirements.

260-pin DDR4 SODIMM fit

Modules use the standard 260-pin DDR4 SODIMM form factor and operate at 1.20 V, drawing power directly from the Mac Mini's memory slots without extra cables or cooling. No heat spreader is fitted, keeping the low-profile height required by the compact enclosure. Installation is a user-serviceable upgrade that typically takes minutes.

64 GB capacity ceiling

The paired 32 GB sticks provide the highest density this platform officially accepts, giving headroom for large virtual machines, heavy creative workloads and extensive browser tab counts. Systems limited to 32 GB or lower will hit paging bottlenecks that this kit removes. Buyers needing more than 64 GB must choose a different Mac model.

Highlights

  • 64 GB total capacity with two 32 GB modules
  • DDR4 2666 speed rated at PC4-21300 for Mac Mini 2018
  • CL19 CAS latency at 1.2 V standard voltage
  • 260-pin SODIMM form factor fits Apple Macmini8,1 slot
  • Non-ECC unbuffered 2Rx8 chips from major OEM suppliers

Specifications

BrandNEMIX RAM
SeriesApple iMac/Mac Mini Compatible Series Memory
ModelApple DDR4 2666MHZ Non-ECC Unbuffered SODIMM
Part NumberMS21300-328K2
Capacity64GB (2 x 32GB)
SpeedDDR4 2666 (PC4 21300)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemApple
CAS LatencyCL19
Heat SpreaderNo
Type260-Pin DDR4 SODIMM
Rank2Rx8
FeaturesDDR4 Non-ECC Unbuffered SODIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC Unbuffered SODIMM KIT

Questions about this item

Will the CL19 latency become a bottleneck during sustained heavy workloads on this Mac Mini?

CL19 is the rated CAS latency for these DDR4-2666 modules; it is the primary timing limit you will see under continuous load.

How much heat or power draw should I expect from the 2Rx8 modules running all day?

Each module operates at 1.20 V without a heat spreader; power draw stays within standard DDR4 SODIMM limits for 2Rx8 density.

Does my Mac Mini 2018 need any specific firmware or existing RAM configuration to accept this 64 GB kit?

The kit is built for Macmini8,1 and installs directly into the two SODIMM slots; no other memory or firmware preparation is required.

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