Now, you finally can,no third-party app required.
Otherwise, you’ve got the option to just go through and say yes to the options.
Latest OS X update allows you to enable TRIM for third-party SSDs| Ars Technica
Enable TRIM for Third-Party SSDs in OS X with a Terminal Command
For whatever reason, Apple hasn’t allowed you to enable TRIM (one of the best ways to maximize the life of your solid state drive ) on third-part SSD
