![]() ![]() 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. To get around that restriction, software such as Cindori's TRIM Enabler allowed TRIM to be used on 3rd party SSDs. It is even better than using the new built in trimforce command, since that requires 10.10.4 and may require disabling system security on El Cap.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adding a comment because this page was the first hit for a Google search on the subject and some of the comments are outdated whereas others were plain wrong.Īpple added native TRIM support in OS X 10.6.8 but only for Apple OEM SSDs. “Using Disk Sensei or Trim Enabler, you can now enable Trim on OS X Yosemite (10.10.3 or later) and OS X El Capitan without disabling kext signing!”Ĭan you guys test this? I’d like to know for myself and, like I said, it may help you sell more OWC SSDs to the kext-wary and terminal command-wary customers.Ĭinder also claims “This is the easiest and safest way to enable Trim on OS X. Here’s something else for the kext-wary and the terminal-command wary: Cindori has announced updates allowing TRIM without disabling kext signing for easier 3rd party SSDs without using terminal AND–they claim–it can be done in 10.10.3 Yosemite and El Capitan 10.10.4 with their TRIM enabler 3.4 and latest Disk Sensei state: Hurray! This was a loooong time coming! I’m excited because it means I and other mac users can have the security if kext signing, duraWrite, garbage collection, over-provisioning AND TRIM with my OWC SSD! I suspect it will also increase your SSD sales with kext-wary customers. If that happens, you can simply close the window.įor more information on TRIM and your OWC SSD, please read our article, With An OWC SSD, There’s No Need For TRIM Note: After your machine reboots, Terminal may relaunch depending on your machine’s settings. Is this okay (y/N) ?” Press y again and enter and it will tell you “Enabling TRIM”. Press y and then enter to proceed to the next instruction. You’ll then be told that “Your system will immediately reboot when this is complete. 3.) You’ll be asked “Are you sure you wish to proceed (y/N). If users already have applications such as “Trim Enabler” already installed, they should probably remove it before using Trimforce. As a reminder, you should always keep a backup of your data to ensure your data is secure. However, if you have a relatively recent SSD, there shouldn’t be any problem enabling TRIM via Trimforce. While more recent SSDs shouldn’t have a problem enabling TRIM via Trimforce, older SSDs might behave in unexpected ways when enabling TRIM. 2.) Enter the command “sudo trimforce enable” (without quotes). You’ll then need to enter your password to continue. You will see the screen below with a warning or “Important Notice”. If you would like to enable TRIM on your SSD with the Trimforce command, we have put together a brief step-by-step guide:ġ.) Open Terminal. ![]() ![]() ![]() However, our testing has shown no issues with using Trimforce or third-party enablers with an OWC SSD. OWC SSDs are built to run at optimal speed and provide peak performance throughout their lives without TRIM through DuraWrite technology, over-provisioning, and garbage collection. On Wednesday, we reported that Apple released the latest OS X version with 10.10.4, which adds the support of TRIM for third-party SSDs. ![]()
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