As your SSD fills up over time, this process become slower because less empty blocks are available, necessitating overwriting of data. If you bought SSD from other vendor, like Kingston, Corsair, Crucial etc. The TRIM is enabled only for SSD delivered by Apple. How to enable TRIM command for non-Apple SSD in Mac OS X. SSDs on the other hand must find an empty block to write the data to. Patch Mac OS X to enable TRIM command with Enable Trim utility for Mac. Because of this, hard drives can write information anywhere, but the plate needs to spin to the correct location first, slowing it down. SSDs store information in “blocks,” whereas hard drives store data to a magnetic plate. SSDs use flash memory, similar to RAM, only that SSD retains the data after it is powered down. Without getting too technical, SSDs write and delete data differently to mechanical hard drives. If you decide to enable Trim using the trimforce.

Nowadays Apple has included an official way to enable TRIM on third party SSDs, and all that is a required is a quick terminal command. According to Apple, enabling Trim using the trimforce terminal command is done completely at the users risk. That means if you choose to upgrade your Mac with a third party solid state drive, TRIM will not be enabled, reducing the drive’s performance.īefore OS X 10.10.4, enabling TRIM required the user to disable security features from within the Mac OS. Windows 7 and beyond has enabled TRIM for all SSDs however, in Macs TRIM is only enabled on SSDs supplied by Apple. Job is done, right? If you’re using a Mac, you have one more step, enabling TRIM. You’ve installed it into your computer, and everything boots up fine. So you’ve purchased an SSD, and you’ve cloned your existing hard drive.

Ssd enable trim mac os x