Some advanced users report that SSDs are used too much to write and read data on the newly released Mac with M1, which is Apple’s first computer chip based on the ARM architecture. This issue may ultimately affect the life of the internal SSD used in the M1 Mac-not to mention the machine itself.
As users on Twitter and Linus Tech Tips Forum, MacOS stated that the internal SSD of the M1 Mac has recorded “writing to extremely high drives in a relatively short period of time.” One user pointed out that in some extreme cases, SSD has consumed 13% of the maximum total writable bytes (TBW).
Some more professional users of the new M1Macbook are experiencing extremely high drive writes in a relatively short period of time. The most serious situation is “consuming” 10% to 13% of the maximum guaranteed TBW value of the SSD (given its capacity and use the same value as the equivalent NVMe drives available on the market).
Since SSDs are based on chips rather than mechanical parts, they all have a predetermined service life, depending on the amount of data they are used to write and read. The more times you write data to the SSD, the faster it will show bad behavior, such as slowness or even data corruption. Since the internal storage of the M1 Mac has been soldered to the logic board, users will have to replace the entire computer if they are affected by the SSD defect.
Regular use of this feature may take up to 10 years to take effect, but today’s report shows that due to macOS behavior, the lifespan of the SSD inside the M1 Mac can be shortened to 2 years. Another user said that only 2 months later, the M1 MacBook Pro with 2TB storage and 16GB RAM has recorded 3% of the total internal SSD usage.
Unfortunately, the reason behind this problem is still unknown. This may be the M1 chip constantly using Mac’s internal storage for memory swap (basically using SSD as virtual RAM), or just another bug found in macOS Big Sur.
Apple has not yet commented on this issue, but hopes the company will fix it in a future macOS update.
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