I'm genuinely surprised nobody's brought up Disk Sensei yet, it'll allow you to do manual TRIM and you don't have to disable kext signing (you still do if you want automatic TRIM though).
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TRIM on third party SSD
- Thread starter Rockadile
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As far as I know (from what the developer seems to be saying), Disk Sensei lets you manually trim an SSD when there's trim support for it. That means the SSD must identify itself as an APPLE SSD (and this includes Angelbird) or you'll still need TrimEnabler for any other brand in Yosemite.
Edit: Not TrimEnabler as a stand-alone application, but the embedded version of TrimEnabler (with kext signing off) in Disk Sensei itself.
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This is my opinion only, so please don't drag me through the ringer if you happen to disagree.
TRIM is a DESIRABLE and ADVISABLE enhancement to any OS using SSD storage. It's ENHANCEMENTS may not be realized by all use cases. It doesn't speed up the SSD directly in most cases, it rather prevents degradation caused by certain use cases. It's not required for operation of the SSD but it assures optimal operation under all use cases. If your particular use case doesn't degrade the drive, then you won't realize that benefit.
It is not a garbage collection replacement, it is a garbage collection enhancement and it CAN reduce the wear by reducing write amplification.
TRIM is a DESIRABLE and ADVISABLE enhancement to any OS using SSD storage. It's ENHANCEMENTS may not be realized by all use cases. It doesn't speed up the SSD directly in most cases, it rather prevents degradation caused by certain use cases. It's not required for operation of the SSD but it assures optimal operation under all use cases. If your particular use case doesn't degrade the drive, then you won't realize that benefit.
It is not a garbage collection replacement, it is a garbage collection enhancement and it CAN reduce the wear by reducing write amplification.
Disk Sensei can trim a drive even with kext signing still on. It takes a long time, though. It reminded me of running defrag in Windows. It's a nice app and I bought it to support the developer.