No Model Numbers Listed But Claimed Best Compatibility.Here are some of our recommendations for a range of model numbers: These are usually sold in either an 8GB or 16GB upgrade kit online. You don’t need any tools or materials to do this upgrade, you just need the replacement RAM modules. If you enjoy this post, you may be interested in How To Replace A Shattered Screen on iPhone 7 or an iPhone 6 What You’ll Need For The Upgrade You can find your model information by looking in your “About This Mac” window or through a serial number search. The most important part of this upgrade is to ensure that you buy the correct RAM for your Mac Model. After upgrading your Mac Mini’s RAM, you’ll notice a substantial increase in the load times of applications and an increase in speed when switching between tasks and applications. It’s one of the cheapest and most effective upgrades you can do, it takes less than five minutes and requires no tools. Bring your 2011 Mac Mini up to 2018 specs with a 16GB RAM upgrade.