Note: In some cases, a restart may be required before TRIM shows as Enabled in the System Profiler. Then, scroll to the SATA/SATA Express section, and select your SSD. To ensure that the command was successful, and that TRIM really is enabled on your SSD, click the Finder menu in the Menu bar, then navigate to About This Mac > More Info > System Report. I don’t like to recommend third-party tools, as they often make system-level changes above and beyond those performed by the terminal command – and that may not be in your best interest long-term. If that doesn’t do the trick, you can try TRIM Enabler 3.0 or later for Mac.
I recommend trying Chameleon SSD Optimizer first. If you don’t find success using the Terminal command to enable TRIM for your SSD, there are two third-party apps that can help you enable TRIM support.
OS X TRIM ENABLER HOW TO
The above-linked document also contains some troubleshooting instructions, as well as details on how to disable TRIM support if necessary. Note: This involves the use of terminal commands, so proceed at your own risk.įirst, enter the command found in this document in the Terminal app on your Mac (found in Applications/Utilities).Īfter entering this command, you’ll need to enter a second command: In you have an SSD that supports TRIM, follow the below instructions to enable it in OS X 10.6.8 or later. How to Enable TRIM Via the OS X Terminal (Recommended)
As such, TRIM support is not the trivial matter that some make it out to be (although certain manufacturers, such as Other World Computing, include firmware that eliminates the need for OS-level TRIM support). The TRIM command is an important disk command for SSDs that keeps your flash memory appropriately cycled so that you can achieve faster read and write speeds, as well as a longer lifespan for your SSD. Here’s how to enable TRIM across the board: What is TRIM?
OS X TRIM ENABLER MAC OS X
This support continues on in Mac OS X Lion, as well as Mountain Lion, and even OS X Mavericks, but as many have noted, it only seems to work for Apple SSDs. Ever since the release of OS X 10.6.8, Apple has been selectively enabling the TRIM command for SSDs in OS X.
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