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45,251 reviews

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 197,985 Apple Upgrades Supplied
Apple iMac Retina 5K, 27-inch, Mid 2020 - 5.0GHz Core i9

SAVE UP TO 80%*

Compared to the Apple Store / Factory Options
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:
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:
128GB

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.

Get ready for macOS 11 (Big Sur) - Coming Autumn 2020!
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:
The Apple Memory Experts
Upgrade with the Apple Memory and SSD experts.
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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.

All memory is brand new, comes with a Full Lifetime Warranty and is packaged and protected by bespoke Mr Memory Anti-Static shield bags or 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.
32GB
 In Stock
 Ready to Ship
$125.30
$135.21
Save $9.91 Today
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16GB
 In Stock
 Ready to Ship
$59.35
$64.31
Save $4.96 Today
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8GB
 In Stock
 Ready to Ship
$31.87
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4GB
 In Stock
 Ready to Ship
$21.44
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Benefits of Upgrading Installation Guides Returns & Refunds Delivery Options
Orders placed Monday to Friday after 5.15pm (UK time) or on weekends/bank holidays will be processed the next business day.
(subject to stock, order verification and chosen delivery option)
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Rated Excellent,
based on 45,251 reviews

Play our educational 70+ HD videos

WATCH 70+ VIDEOS
Memory Upgrade Benefits
Short video about why you should upgrade your Computer's Memory and some of the main benefits.
Customer Care & Support
Short video explaining about our Customer Care & Support practices at Mr Memory.
Our Expert Knowledge
Our Memory Experts know everything there is to know about Memory/RAM. Here is a bytesize look into our knowledge.
About Us
Short video about why you should upgrade your Device with Mr Memory
Installation issues & concerns
This simple video will show you what to do next if you have any issues/concerns following the installation of your new memory.
Returns & Support
Exceptional Returns & Support from Mr Memory. Freepost Returns, Lifetime Warranty and super-fast communication
Hear from a Memory Expert
Hear from one of our Memory Experts as they introduce Mr Memory and how an Expert can assist you.
What are SSDs?
This simple video will explain what SSDs are and the difference with them and Hard Disk Drives. It will also look at the benefits of using them.
Dual & Triple Channel Memory
Watch our video for a quick explanation on Dual and Triple Channel memory.
How we test Memory
This video shows our RAM Tester machine in action. All our memory is fully tested prior to Dispatch.
How to install Laptop Memory
See how easy it is to upgrade the Memory (RAM) in your Laptop Computer with our simple 2 minute guide.
How to install Desktop Memory
See how easy it is to upgrade the Memory (RAM) in your Desktop Computer with our simple 2 minute guide.
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Worthing, West Sussex
BN13 3QZ
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The trademark Mr Memory is the exclusive property of Americanino Limited and is protected by UK Trademark Registration No: 2616298.

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