Enable TRIM support on OS X 10.9.4 for 3rd-party SSDs

To enable the TRIM support on OS X 10.9.4 for a 3rd-party SSD drive, enter the following commands into your Terminal session:

sudo perl -pi -e 's|(^\x00{1,20})[^\x00]{9}(\x00{1,20}\x54)|$1\x00\x00\x00\x00\x00\x00\x00\x00\x00$2|sg' /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage

sudo touch /System/Library/Extensions/

Restart to enable the changes.

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