How to check a Mac’s SSD health using Terminal

If you have a newer Mac, it likely uses a speedy solid-state drive to store files, apps, music, videos, and a lot of other important stuff. But there’s one thing you may not know about SSDs: They wear out over a long period of time.

Since the SSD is such a vital part of your Mac, it’s a good idea to keeps tabs on its health. While it usually takes a really long time to wear out an SSD – likely far longer than you’ll keep your Mac – problems can arise. (Earlier this year, there were various reports of Mac SSDs showing advanced wear after just a few months of use, But Apple said