- TRIM ENABLER FOR MAC UPDATE
- TRIM ENABLER FOR MAC PATCH
- TRIM ENABLER FOR MAC SOFTWARE
- TRIM ENABLER FOR MAC CODE
In order to check if your enclosure supports TRIM, you’ll want to go to Apple > About This Mac > System Report > Hardware > SATA/SATA Express > and look for “TRIM Support” under the enclosure specs. I used the trimforce command in terminal to enable it. Most Thunderbolt enclosures should support TRIM, and I currently have TRIM enabled on a SanDisk Extreme SSD in an Akitio Thunderbolt 2 enclosure. Firewire supposedly supports TRIM, but I haven't tested it. All five of the USB 3 enclosures / docks I have support it. The vast majority of USB enclosures do not support TRIM, but allegedly there are some that support it such as the JMS 578 USB bridge controller (source: ). (I have sources but Stack Exchange won't let me post more than 2 links)Ĭontrary to many of the comments here, the interface DOES matter. Then in OS X 10.10.4, Apple introduced a “trimforce” command which enabled TRIM on 3rd party SSDs without turning off kext signing. Later, OS X 10.10 (Yosemite) introduced a security requirement called kext signing which prevented TRIM Enabler from working without completely turning off kext signing.
TRIM ENABLER FOR MAC SOFTWARE
To get around that restriction, software such as Cindori's TRIM Enabler allowed TRIM to be used on 3rd party SSDs. As for power users, I recommend just buying a new Mac.I realize this question is over 4 years old, but I'm adding a comment because this page was the first hit for a Google search on the subject and some of the comments are outdated whereas others were plain wrong.Īpple added native TRIM support in OS X 10.6.8 but only for Apple OEM SSDs. This been said, I guess Apple would rather prefer to allow their Macs to support 3rd parties SSDs and have Macs secured, than have a lot of hacked Macs and all the internet taking about it.Īlthough, old Macs are getting obsolete due to the absence of current technologies, most of the regular users still can extract a bit more juice of their Macs, so they will find this tool very useful.
TRIM ENABLER FOR MAC CODE
I believe that Apple had made this decision because after the release of OS X Yosemite, which includes the new kext signing feature, Mac users were disabling this security feature, which when turned off, allows to execute arbitrary code in modified kext extension natively, WHICH was an huge security flaw. This is a huge win for the Mac users community because the people had ask for this a while ago. Yesterday, Apple had released OS X 10.10.4, including on it the new remarkable trimforce tool which allow native TRIM support for 3rd parties SSDs. Sudo kextcache -m /System/Library/Caches//Startup/Extensions.mkext /System/Library/Extensions # rebuild kext cache manually (could take a while) # looks for "Apple" string in HD kext, changes it to a wildcard match for anything # Important: Add "kext-dev-mode=1" as Kernel Arguments or the computer won't boot. Sudo cp /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage /System/Library/Extensions/IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage.original # Yosemite: for recovering from stop sign on boot screen, please see # Looks for "Apple" string in HD kext, changes it to a wildcard match for anything
TRIM ENABLER FOR MAC UPDATE
# Update July 2014: no longer offline, see # Original version by Grant Parnell is offline () # just run "sudo trimforce enable" to activate the trim support from now on!
TRIM ENABLER FOR MAC PATCH
# UPDATE for 10.10.4+: please consider this patch obsolete, as apple provides a tool called "trimforce" to enable trim support for 3rd party SSDs
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