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April 25, 2017 2 min read

Two weeks ago, we took a look at the MacBook, MacBook Pro and iMac series of machines in order to see what could be done in order to prepare for macOS Sierra. As mentioned before, 4GB of RAM is a minimum requirement, 8GB is recommended, and 16GB or more is ideal because it gives you enough room for most of your other applications.


See what a difference upgrading your RAM did for one of customers recently.Ā 


For the Mac Pro, Mac mini, and MacBook Air series, the models below are the oldest ones that still qualify for a macOS Sierra upgrade.

Mac Pro 5,1 - Introduced in June 2012

This Mac Pro 5,1 was released in Mid 2010. The maximum amount of RAM depends upon which machine you purchased. The published system maximum for the 12-Core machine is 64GB but it is widely known that 128GB works for this 8-slot machine but you must remember that all 16GB DIMMs must come from the same batch for them to work together. The published system maximum for the 4 and 6-Core machines is 32GB but it can actually accept up to 48GB in a tri-channel configuration (16GBx3).


Mac mini 4,1 - Introduced in June 2010

The published system maximum is 8GB of RAM but this Mac mini can accept up to 16GB. You should generally leave up to 64GB of storage for the new OS and seeing that this Mac mini originally came with only 320GB or 500GB of hard drive storage, this might also be a good opportunity to add a 1TB SSD with your memory. See our special offer on this performance packageĀ ($20 OFF when buying them together).


MacBook Air 3,1 - Introduced in October 2010

Regrettably, all MacBook Airs, including this one, are not user upgradable for RAM. However, seeing that this was originally sold with only a 64GB or 128GB of SSD storage, now would be a good time to upgrade your SSD for this machine. Our 500GB SSDĀ can be installed in a matter of minutes and we provide you a free enclosure for making use of your old one.