Apple iMac Retina 5K, 27-inch, Mid 2020 - 5.0GHz Core i9 Compatible Memory / RAM Upgrades

Not your exact model? See all Apple iMac or 2020 First Released models, or use our Apple Serial Number Search
Model Specifications 202,881 Apple Upgrades Supplied
Make & Model: Apple iMac Retina 5K, 27-inch, Mid 2020 - 5.0GHz Core i9 (Latest iMac)
Apple Reference: iMac20,2     3442     A2115
Total Memory Slots:

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:

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 this 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: Check how much Memory you currently have installed
Important Notes:

Mr Memory recommends removing the original Memory modules and installing either 2 or 4 matched modules. This will keep dual-channel mode active and allow the Memory to run at maximum speed - iMac 2020 Memory Configuration Guide.

Basic configuration of 8GB (2 x 4GB) up to 128GB (4 x 32GB @ £2,600* from Apple).

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

Hi, Speed! macOS Big Sur - Available Now!
Ensure your Mac is ready for Apple's latest operating system by upgrading to the latest DDR4 memory!.

To get the best performance and speed from your iMac, upgrade to the maximum memory.

We always send matched modules, when you order 2 or more.

Help Me Choose
Choose a Memory upgrade for your Apple iMac Retina 5K, 27-inch, Mid 2020 - 5.0GHz Core i9:
DDR4 PC4-21300 2666MHz 260-pin SODIMM (2667MHz)
Product Specifications

Upgrade your computer with DDR4 2666MHz memory - the quickest, easiest way to boost performance and speed! Adding extra memory is one of the most cost-effective ways to make your operating system and applications run faster and smoother for peak performance. Hi, Speed!

All memory is brand new, comes with a Full Lifetime Warranty and is packaged and protected by bespoke Mr Memory Anti-Static shield bags, recyclable plastic packets or brown cardboard boxes.

Size Stock Price (Inc VAT) Quantity

Price is for a single memory module only.

To order multiple matched branded modules, please change the quantity.

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Order by 5.15pm (UK time) for same day processing
(subject to stock, order verification and chosen delivery option)

Import Tax & Duty Notice

  • Orders delivered outside the UK and Ireland may be subject to local import tax & duty
  • Import tax & duty is not included in the amount you pay Mr Memory
  • If applicable, the courier or your local postal service will contact you for payment of any import tax & duty due before releasing your order for delivery
  • Current tax & duty rates can be obtained from your local tax authority

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