![]() Apple's own hard drives are "trimmed" by the system anyway and it doesn't matter to them whether you activate trimforce or not. This means that every internally installed hard disk should then support TRIM. The other thing is that you enable TRIM in the operating system, not for specific disks. If the SSD does not support TRIM, problems can arise that can even lead to data loss. Hello cave! I just read a little again and on the one hand I found out that it is ESSENTIAL to create a backup before activating TRIM. In addition to Linux and Windows (since 20), the TRIM command is also supported under macOS (since 2011) to improve storage management on SSD hard drives. Using the TRIM command, the system informs the medium that these and those blocks of the memory are no longer required and can be overwritten. Within the operating system (macOS, Mac OS X, Windows, Linux) the file system driver is responsible for sending the command and the memory information to the memory controller. TRIM is the name of a command that marks invalid and unused data blocks on a storage medium so that they can be rewritten. If you want to deactivate the TRIM command under macOS, use this command: sudo trimforce disable What is TRIM? What does the command do in detail? When prompted for the admin password, enter the same and confirm.Enter this command in it: sudo trimforce enable.Open Terminal (via Spotlight search or utilities).Therefore, there is a very simple solution for activating and deactivating the command: entering a single command line in the terminal. With “Trimforce”, Apple provides an in-house command in the macOS operating system to activate TRIM on the Mac SSD - even if it comes from a third-party manufacturer. Activate TRIM command under macOS: Here's how! ![]() There shouldn't be any errors and the TRIM activation shouldn't have a negative effect on the memory, your files or the Mac itself - you can still be prepared for surprises if you back up your data beforehand ) With this link you can find “Carbon Copy Cloner” and “SuperDuper!” in comparison. Since the activation of the TRIM command changes the communication of the internal memory management of the Mac and the memory management itself is reorganized (explanation see below), a backup before the procedure cannot hurt. My intentions is only to share some personal thoughts.Īll in all, I will try TRIM for myself on my own SSD but I would not recommend anyone that doesn't understand the risk or are unable to fix any problems by them self.Sir Apfelot recommendation: Clean up your Mac hard drive with CleanMyMac Before running: make a backup I hope this didn't end up as a buyers guide as prohibited in the FAQ as I have not recommended any specific model or brand. If I were to upgrade my own Mac I would start with #3 and revert to #2 in case of any problems. If my mom, dad or average Joe were to upgrade an existing Mac I would have to go with #2 as Apple currently doesn't sell any SSD online (not as far as I can see anyway) and I would not recommend #3 in any form or factor. I'd personally go with #1 or #3 if I were going to buy one for my self. If my mom, dad or average Joe were to buy a new Mac I would absolutely recommend #1. You will loose the power of TRIM but the SSD is still way way faster that your hard disk.īuy an aftermarket SSD, hack you kernel, run some kind of Trim Enabler for non Apple approved devices or what ever it takes, then clone, install and hopefully go. Also, Apple uses well known more or less OEM.īuy an aftermarket SSD, clone, install and go. The Apple supplied SSD are not the fastest on earth but they sure is way faster than your normal hard disk. If I buy a Mac with a pre-installed SSD I'll get the power of TRIM for "free". I see three options after reading a lot of forums, AnandTech and Wikipedia:
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