Good disk utility for mac3/14/2024 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. If you own an M1 Mac, you should learn how to check SSD health so you can determine how much time it will approximately take for your hard drive to become unreliable. Their reports are especially worrying because Apple decided to solder the SSD chip directly onto the motherboard, making it impossible for users to replace it. Now, some users of M1 Macs are reporting serious issues with the overuse of their SSDs. Typically, this isn’t an issue because most SSDs become obsolete much sooner than what it takes the average user to exceed the advertised lifespan, which is indicated in terabytes written over time (TBW). ![]() All solid-state drives (SSDs) have a finite lifespan because the flash cells inside them eventually wear out and become unreliable.
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