
Support for TRIM has been included in OS X (10.6.7), but Apple decided that native TRIM support is limited to stock Apple drives (users who have installed third-party SSDs into their machines have reported that TRIM is not enabled). Like most trim enablers it allows solid state drives to automatically handle garbage collection, cleaning up unused blocks of data and preparing them for rewriting, thereby preventing slowdowns that would otherwise occur over time as garbage data accumulates. Sudo kextcache -m /System/Library/Caches//Startup/Extensions.mkext /System/Library/ExtensionsĪlternative Trim Enablers.
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The performance of the solid state drive is enhanced by making it writer faster, the increase in writing speed is also coupled with a long-lasting performance and lifespan. With Trim, your blocks can be cleaned instantly when you delete the data, leading to much less operations during the writing process which gives you better speeds and minimizes the wear on the drive. This means that when you need to write new data, the SSD must perform time-consuming cleaning and maintenance of these blocks before your data is written. Due to technical limitations in the NAND Flash design, only whole blocks can be deleted. These blocks are not deleted until you need to use them again to write new data. Every time you delete a file on your computer, the data still stays on the drive in segments called blocks.
