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

NEMIX RAM

NEMIX RAM 8GB DDR4 2666MHz CL19 1.2V 260-pin SODIMM memory upgrade

SKU CH-JV13-YV4AC

8 GB DDR4 SODIMM at 2666 MHz CL19 1.20 V for Apple iMac and Mac Mini upgrades

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 8 GB capacity adds headroom for multitasking
  • 2666 MHz DDR4 speed matches system requirements
  • CL19 latency at 1.2 V for efficient operation
  • 260-pin SODIMM form factor fits Apple iMac and Mac Mini
  • Major OEM chips from Samsung, Micron or Hynix ensure reliability

Apple iMac and Mac Mini upgrade

This 8 GB DDR4 SODIMM is built for Apple iMac and Mac Mini systems that accept 260-pin unbuffered memory. It delivers a straightforward capacity increase for everyday workloads and light creative tasks. The module uses major OEM chips from Samsung Micron or Hynix for broad compatibility. No heat spreader is fitted so it fits tight slots without clearance issues.

Low voltage unbuffered design

Operating at 1.2 V the module draws minimal power and runs cool inside compact all-in-one enclosures. CL19 latency at 2666 MHz keeps access times predictable for typical desktop use. The unbuffered layout avoids extra electrical load on the memory controller. Silent operation is assured because there are no active cooling components.

Sustained workload stability

Each stick is stress tested under load before shipping to verify reliable operation during extended sessions. The 1Rx8 organisation provides consistent bandwidth for prolonged multitasking or background rendering. Non-ECC architecture suits consumer macOS environments that do not require error correction. Lifetime replacement coverage backs the module for the usable life of the system.

Highlights

  • 8 GB capacity adds headroom for multitasking
  • 2666 MHz DDR4 speed matches system requirements
  • CL19 latency at 1.2 V for efficient operation
  • 260-pin SODIMM form factor fits Apple iMac and Mac Mini
  • Major OEM chips from Samsung, Micron or Hynix ensure reliability

Specifications

BrandNEMIX RAM
SeriesApple iMac/Mac Mini Compatible Series Memory
ModelApple DDR4 2666MHZ Non-ECC Unbuffered SODIMM
Part NumberMS21300-818K1
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemApple
CAS LatencyCL19
Heat SpreaderNo
Type260-PIN DDR4 SODIMM
Rank1Rx8
FeaturesDDR4 Non-ECC Unbuffered SODIMM Motherboard Compatible
Package Content8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 260-PIN Non-ECC Unbuffered SODIMM

Questions about this item

How do I install this 260-pin DDR4 SODIMM in an iMac, and what step do people often miss?

Power off and unplug the iMac, open the memory access door, align the notch on the module with the slot key, press firmly until the side clips click, then replace the door before powering on; the step often missed is pressing hard enough to fully seat both clips.

What maintenance or replacement will this 8 GB 1Rx8 module need later?

No scheduled maintenance is required; if a memory error appears, run Apple Diagnostics and replace the module if it fails — otherwise it remains in service for the life of the system.

What limit appears first under sustained load with this CL19 1.20 V kit?

The CL19 latency at 2666 MT/s sets the throughput ceiling; thermal throttling is unlikely because the unbuffered SODIMM has no heat spreader and runs at standard 1.20 V.

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