How to check your Intel and M1 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 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. Most recently, users started noticing that new M1 Macs and some Intel-based ones are showing advanced wear after just a few months of use, a troubling sign that could cause drives to burn out years before expected.

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