Product description



Expand your system memory to:
8GB16GB32GB64GB128GB


64GB ( 2x32GB ) DDR4 2666 MHz Non-Parity/Non-ECC Unbuffered SODIMM Memory 260 pin Dual Rank Module. Limited lifetime warranty by Adamanta. We will replace defective memory with the same or similar memory specifications. Physical or cosmetic damages are not covered by the limited lifetime warranty by Adamanta. Only limited to Adamanta branded Memory Excludes major OEMS such as Samsung, Hynix, Micron, etc.
Memory Upgrade Compatible with Early 2019 27-inch iMac w/ Retina 5K Display model ID: 19,1 (i5 3.0GHz, i5 3.1GHz, i5 3.7GHz, i9 3.6GHz)
Memory Upgrade Compatible with Late 2018 Mac Mini model ID: Macmini 8,1 (i3 3.6GHz, i5 3.0GHz, i7 3.2GHz)
We always have hundreds in stock! Every single module is fully tested by the manufacturer.
Our experienced technicians can verify if these parts will work for you with free technical support.
10 reviews for Adamanta 64GB (2x32GB) Memory Upgrade for 2020 Apple iMac 27″ w/Retina 5K Display, 2019 Apple iMac 27″ w/Retina 5K Display, 2018 Apple Mac mini DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v DRAM RAM
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$140.00

Carlos Ernesto Arias –
No brainer Upgrade for music production
I have a Mac mini late 2018 that I use for music production. During large projects there’s always been some lag or stuttering, but I’ve always made it work through workarounds, etc. I’ve know that the RAM was “upgradeable” but was hesitant due to its delicate nature.I decided to pull the trigger and order the 64GB kit. Honesty, after watching a couple of YouTube videos, the process of upgrading was super straight forward and easy. A little patience was the main requirement.As you can see in the screenshot, the 64 gb of ram were detected upon startup, and I loaded some previous projects that I knew were intensive. Smoooooth!!!! Even at low buffer sizes. Thoroughly satisfied with this purchase.
Chuck Happel –
Great RAM for the Price
This RAM not only gave a boost to my computer but both sticks functioned flawlessly. The previous pair didn’t function as well. Only one of their two RAM sticks provided memory for our computer even after pulling and reinstalling them. Still only one of them worked. These replacements from Adamanta were perfect from the brginning.
Karen Endecott –
Good for gaming
Easy to install yourself. Really adds to your older iMac – an easy way to give older machines a quick refurb. I do most of my own computer repair. I put this ram in my old iMac and gave it to my teenage son and he loves it. He plays games online with this more than his PlayStation.
Film love –
Essential upgrade while you still CAN upgrade memory on iMac models!
Compared to other memory upgrade options, this one seems to be the most affordable bang for the buck. I have 128 GB (2 sets of these) and it works perfectly.
J. Price –
Installation location is critical
Once I got them install, they did everything they are supposed to.On the iMac there are 4 slots and it is critical they get installed in the correct slots. The instructions really didn’t make this clear,But give Apple wanted $1K to go to 64GB and these are like $260, it was well worth the effort.
TT –
Listed wrong
Working Fine, listed as 2600 MHz, but it is 2133MHZ
UISBIG –
Memory upgrade for my iMac
It was a good upgrade, I don’t know if I got a good deal because I just looked it up and purchased it right away. So far so good
Aaron Spotts –
Works great so far
This package of 128GB of RAM has been installed in my 2019 27-inch iMac for two weeks, and I have not had any issues with it. It was easy to install myself, and much less expensive than having Apple pre-install their RAM, which maxes out at 64GB I believe. If I encounter any problems with it, I plan to update this post with details.
José C. –
Súper practico para instalar, y sin fallas , en cuanto lo puse y prendí la máquina lo detectó
irving –
tengo una imac 27 pulgadas 2020 , llevo como un mes con el producto, segui las instrucciones de instalacion y aparentemente todo funciona muy bien. feliz con la compra hasta el momento.