When Mojave, Catalina, or Big Sur are released, you will need a new or newer Mac to run them. Starting in mid-2010, Apple’s iMac systems support up to 32GB of RAM, even though Apple claims the systems can only be upgraded to half that amount.Ĭan I Upgrade My Imac 2011 To Catalina? The iMac mid 2011 can only be updated to 10, so update to Catalina with iMac mid 2011 Answer: A: No sorry, the iMac mid 2011 can only be updated to 10. But your money could be spent better elsewhere. If you have the money, there’s no reason to not upgrade. If you are not able to order from the place I linked, we'll need a rough idea of where you are to further help get you to a reliable RAM vendor.For the 21.5-Inch “2019” iMac models, Apple reports that they have 8 GB of “2400 MHz DDR4” or “26666 MHz DDR4” memory “built into the computer” and “it can only be upgraded by an Apple Authorized Service Provider if you choose to upgrade at a later date.” In a teardown, site sponsor OWC determined that the RAM in this … Is 8 GB RAM enough for iMac?įor most users 8GB is going to be more than enough for day-to-day computing tasks. We don't know where you are located, The firm I linked is a US company but will ship to some, not all, international destinations. This arrangement, although letting the computer work, is NOT considered optimum: This arrangement after adding two 4GB modules will give best performance:

The slots will look like this when you remove the RAM door today: Regardless of the total amount, you will get best performance by pairing modules side by side in the slots. Other increments would require pulling the existing two and replacing them with bigger ones. Without replacing the two modules now present.

You can use the open slots to get from 4GB to:

I have bought all my Mac RAM from them for over a decade and can recommend them highly. Use a vendor other Mac users have found reliable. How do i be sure it is IMAC compatible if i buy from third party?

Memory upgrade imac 2011