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Green circuit board with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM 8GB DDR3 1866MHz 1.35V 204-Pin SODIMM iMac Late 2015 27 memory upgrade

SKU CH-4TX9-24Q8Z

8 GB DDR3 SODIMM running at 1866 MHz with 1.35 V for Apple iMac Late 2015 27-inch models

  • Total capacity8 GB
  • Rated speedDDR3 1866 (PC3 14900)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL13
  • Buffer typeUnbuffered
  • Rated voltage1.35 V
  • Boosts iMac responsiveness with 8GB DDR3 1866MHz module
  • Low 1.35V operation reduces power draw and heat
  • 204-pin SODIMM fits Late 2015 27-inch iMac directly
  • CL13 latency supports smooth multitasking performance
  • Built with major OEM chips for reliable compatibility

iMac Late 2015 27-inch memory upgrade

This 8 GB DDR3 SODIMM runs at 1866 MHz with a CAS latency of 13 and operates at 1.35 V. It is built specifically for the Apple iMac Late 2015 27-inch model identified as 17,1 Retina.

Check your iMac model identifier before ordering

Open About This Mac and confirm the model reads iMac 17,1 and the screen size is 27 inches. The module uses a 204-pin DDR3 interface and will not fit other iMac generations or smaller screen sizes.

Single-module package simplifies installation

The box contains one 8 GB stick so you can add it to an empty slot or replace an existing module without matching pairs. No heat spreader is included, keeping the profile low for the tight iMac chassis.

How it compares

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

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $2.50 per GB
Cheaper than about 92% 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 DDR3 1866 MHz Non-ECC Unbuffered SODIMM
Part numberMS14900-828LK1
Total capacity8 GB
Product type204-Pin DDR3 SODIMM
Performance
Rated speedDDR3 1866 (PC3 14900)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL13
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.35 V
Compatibility
Compatible systemsApple
In the box
Included items8 GB (1 × 8 GB) DDR3 1866 MHz PC3-14900 2Rx8 1.35 V 204-PIN Non-ECC Unbuffered SODIMM

Questions about this item

What does the box contain and do I need to buy anything else?

The box contains one 8 GB DDR3 1866 MHz 1.35 V 204-pin SODIMM module (part MS14900-828LK1). No extra parts or cables are required for installation.

Which capacity or version should I choose for my iMac?

This is the 8 GB (1×8 GB) DDR3 1866 MHz CL13 1.35 V SODIMM built for the iMac Late 2015 27-inch (model 17,1). Select this version when you need a single 8 GB stick for that system.

What does the 1866 MHz rating mean once the module is installed?

The memory will run at 1866 MHz (PC3-14900) with CL13 latency at 1.35 V, delivering the rated DDR3 speed and timing inside the compatible iMac.

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