Micron ssd health check mac5/28/2023 Unfortunately, it seems that something is causing some M1 Macs to write far more new data than what’s normal. Such SSDs can write over 80 GB of new data every day for 5 years before potentially becoming unstable, so M1 Mac users should theoretically have nothing to worry about. Even basic 256 GB SSDs come with a 150 TBW rating. ![]() What’s more, modern SSDs use wear-leveling technology to distribute data evenly across all physical sectors, prolonging the total lifespan.īecause of all these factors, most estimates put the age limit for SSDs around 10 years. While that may not sound like much, it’s important to realize that SSDs don’t degrade when reading data-only when writing new data. We know that Apple uses Toshiba TLC NAND flash chips for its SSD drives, which should endure up to 3,000 write cycles per physical sector based on the current lithography process. ![]() That doesn’t mean that they would instantly become unusable, but their users could experience major stability issues and, in extreme cases, data loss. Recently, several M1 Mac power users have shared alarming usage reports indicating extremely high drive writes over a relatively short time.īased on the wear of the SSD inside his 2 TB M1 Mac, developer Hector Martin calculated that 256 GB models could exceed their TBW in less than half a year.
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