A Comprehensive Guide on iMac Late 2015 RAM Upgrade

A Comprehensive Guide on iMac Late 2015 RAM Upgrade

Introduction to iMac Late 2015

The iMac late 2015 is a fantastic model from Apple’s array of innovative products. It’s a blend of sleek design and robust performance, but there comes a time when you may need to enhance its capabilities. Specifically, the aspect of RAM upgrade is an aspect that most users need clarity about. This article will provide a comprehensive guide on how to upgrade the RAM on your iMac late 2015.

Understanding the Importance of RAM

RAM, short for Random Access Memory, is the short-term memory of your computer. It is responsible for storing the data your computer is currently using, allowing it to be quickly retrieved. Upgrading the RAM of your iMac late 2015 can significantly enhance the machine’s speed and efficiency, especially when running multiple or heavy applications simultaneously.

Is the iMac Late 2015 RAM Upgradeable?

It’s crucial to understand that not all iMac models have upgradeable RAM. The iMac late 2015, however, is an exception, as it does offer the possibility of a RAM upgrade. It’s particularly relevant for users who wish to extend the life and functionality of their beloved iMac late 2015.

Checking the Current RAM on iMac Late 2015

Before proceeding with the RAM upgrade, you must first check the current RAM status. Go to the Apple menu > About This Mac > Memory tab. Here, you’ll find details about the current memory, including the number of memory slots and the memory used in each slot.

Choosing the Right RAM for iMac Late 2015

When it comes to choosing the right RAM for your iMac late 2015, there are certain factors to consider. The iMac late 2015 supports DDR3 memory with a speed of 1867 MHz. You can install 4 GB, 8 GB, or 16 GB SO-DIMMs in each of its four slots. The maximum total memory you can install in the iMac late 2015 is 64 GB.

How to Upgrade RAM on iMac Late 2015

The process of upgrading RAM on the iMac late 2015 involves a series of steps. Here’s a step-by-step guide:

  1. Shut Down and Unplug the iMac: This is the first and the most crucial step. Always ensure that your iMac is shut down and unplugged before beginning the RAM upgrade process.

  2. Access the Memory Compartment: The memory compartment in iMac late 2015 is located at the back of the computer. You can access it by pressing the small grey button above the power socket. This will open the memory compartment door.

  3. Remove Existing RAM Modules: Push the levers on the sides of the memory compartment to release the memory cage. You can then remove the existing RAM modules by pulling them straight up.

  4. Install New RAM Modules: Take your new RAM modules and insert them into the empty slots. Make sure that they are properly aligned. The modules should click into place.

  5. Close the Memory Compartment: After the new RAM modules are installed, push the memory cage back into the compartment and close the door.

  6. Restart Your iMac: Plug in and restart your iMac. Check the new memory status by going to the Apple menu > About This Mac.

Troubleshooting After RAM Upgrade

If your iMac doesn’t recognize the new memory or doesn’t start up correctly after the RAM upgrade, recheck the memory specifications and the installation process. Ensure that the RAM modules are correctly installed and that they are the correct type and speed for your iMac late 2015.


Upgrading the RAM of your iMac late 2015 is an excellent way to enhance its performance and prolong its life. This comprehensive guide provides all the necessary knowledge and steps to carry out the upgrade process successfully. However, it’s crucial to remember that while this process is relatively straightforward, it should be done with care. If you’re not comfortable doing it on your own, we recommend seeking professional help to avoid any potential damage to your machine.

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