Apple iMac Retina 5K, 27-inch, Late 2015 - 3.9GHz Core i5 Compatible Memory / RAM Upgrades

100% Apple Compatible Upgrades from the UK's Leading Supplier of Memory & SSDs

Not your exact model? See all Apple iMac or 2015 First Released models, or use our Apple Serial Number Search
Model Specifications 220,349 Apple Upgrades Supplied
Apple iMac Retina 5K, 27-inch, Late 2015 - 3.9GHz Core i5
Make & Model: Apple iMac Retina 5K, 27-inch, Late 2015 - 3.9GHz Core i5
Apple Reference: iMac17,1     2834     A1419     MK482B/A     MK482LL/A
Total Memory Slots:
4

This is the total number of Memory / RAM slots in your computer.

The number of "available" slots will depend on what is already installed.

To locate and check the number of empty slots please follow the installation guides and videos from the Support menu above.

The example below shows 4 empty desktop memory slots.
Maximum Memory:
32GB

This is the maximum total amount of Memory you can install in your computer.

This amount is usually divided by the number of slots to give the maximum per slot.

Below are two examples, they may not apply to your particular model.


Example 1

128GB Maximum with 4 Slots
Upgrade using 4 x 32GB modules

Example 2

32GB Maximum with 2 Slots
Upgrade using 2 x 16GB modules
Installed Memory: Non Upgradable
Model Guide: Download User Guide for your Apple iMac
Important Notes:

Mr Memory recommends you install modules in pairs for Dual-channel performance - View Dual-channel Memory Video.

For Guaranteed Compatible Memory, please choose a model that matches your model's Release Date, Screen Size and Processor.
How to Identify your Apple.

Sorry, there are no Memory upgrades available for this model.

The manufacturer may have installed the maximum RAM or the RAM slots may be inaccessible.
It is also possible that the supported RAM type is no longer available.

Play our educational HD videos

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This video shows our RAM Tester machine in action. All our memory is fully tested prior to Dispatch.
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