OWC can double or quadruple the RAM in 27-inch iMac 5K

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Apple iMac 2019
You can now take the 2019 iMac 5K to 128GB of RAM.
Photo: Apple

OWC just introduced a kit to upgrade the new 27-inch iMac 5K to 128GB of RAM. That’s up to four times the maximum available from Apple, depending on the configuration of the computer.

But these upgrades don’t come cheap. And they are only for this version of the iMac, not the iMac Pro.

Apple offers the 27-inch iMac 5K in a range of processor speeds. For the 3.1GHz, 3.6GHz and 3.7GHz versions, the max amount of RAM that can be configured is 64GB. For the 3.0GHz version, 32GB is the max.

A 128GB iMac 5K

The new OWC MaxRAM kit offers up to 128GB of RAM. “This upgrade is exclusive to OWC and allows users to take new iMacs to their maximum potential, to create with endless possibilities,” the company said in a statement.

Just prepare to pay a pretty penny for the upgrade. The MaxRAM 128GB Kit is $1099.99.

There are smaller options as well. A MaxRAM kit with 64GB can upgrade a base-model iMac 5K to 72GB, for example. This is $579.99, but Apple charges $600 to factory upgrade this computer from 8GB to just 32GB of RAM.

These upgrade kits are only for the 2019 27-inch iMac 5K. They definitely aren’t compatible with the iMac Pro, which can only be upgraded at the factory.