If you want to disable it, you should type the following command in Terminal. Typically, TRIM comes with a Mac with SSD and is automatically turned on. Then, its lifespan of it will become shorter. However, the faster the write speed of the SSD, the more likely the SSD is to be excessively used. Consequently, the write speed of the M1 Mac will become faster. It allows the macOS to timely inform the internal SSD which blocks of data won't be used anymore and can be erased to make room for the upcoming data.Īnd the process of writing to an SSD is erasing the existing data from the flash memory cells first, and then programming new data onto them, hence, if TRIM is enabled, there's no need to erase the existing data before writing data to the SSD. SSD TRIM, a system-level command, only can be enabled or disabled with Terminal. Whether your M1 Mac has an excessive SSD usage issue or not, here's a trick for you to prevent this issue from happening or becoming worse - to disable TRIM. A Trick to prevent excessive SSD usage of your M1 Mac The way to install and use Smartmontools is complicated, you'd better ask a friend of experience to help you. Press Return and get the information about your SSD. If not, you will directly be asked to enter your password. Then, type: export PATH=/opt/homebrew/bin:$PATH If you see "zsh: command not found: brew", re-type: nano ~/.zshrc To install Smartmontools, type the command below into the Terminal and press Return: brew install smartmontools & sudo smartctl -all /dev/disk0 Finally, download Smartmontools and install and run it through some command lines. Then, install a package manager (a set of tools for performing tasks like installation) like Homebrew. To check the health of your M1 Mac's internal SSD, firstly, you need to install Xcode (An Apple app for developers) free from the App store. You may be curious about how much your total usage of the internal SSD is and want to have a check. His data analyses are another verification.Ĭheck if your M1 Mac has the excessive SSD wear issue He compares the SSD usage of his 2017 iMac to that of an M1 MacBook Air purchased last fall. Apart from Martin, Dan Moren also put an image on his Twitter. Based on this rate, some M1 Macs will only work for about half a year. Hector Martin mentioned on his Twitter that he has only used his M1 MacBook Pro (with 2TB storage of SSD and 16GB of RAM) for about 2 months, but it has registered 3% total usage of the SSD.Īnd he speculated that if the Mac only has 256GB storage of SSD, the total usage of the SSD would be equal to about 30%. Some M1 Mac users have questioned the SSD's excessive wear. You may wonder how did these M1 Mac users draw such a conclusion? Are their reports believable? Please go on reading. Then, your M1 Mac becomes a brick, and you have to purchase a new one. So, once the SSD drains, your M1 Mac will also stop working. And the SSD is soldered to the logic board in your M1 Mac. The wear speed of the SSD on the M1 Mac has surpassed that of on some Intel-based Macs.Ĭonsequently, the lifespan of the SSD is inevitably shortened. It is said that the most terrible case is an M1 Mac user's internal SSD that has used 13% of its total TBW (total bytes written) value. Check if your M1 Mac has the excessive SSD wear issue In other words, the internal SSD of the M1 Mac has undergone high writes over a short time (over the past few months since M1 Macs were delivered). However, some M1 Mac users have tested and reported that M1 Mac has shown an excessive SSD wear and usage issue. As the M1 chip's enhanced designs like a unified memory architecture and an 8-core CPU, users take it for granted that their Apple silicon Macs would be more durable and have a longer lifespan.
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