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These days, TRIM is only one of numerous strategies manufacturers utilize to ensure that solid-state drives continue to work at their highest possible efficiency.

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You are free to remove it in any other case since it isn't necessary for TRIM to continue functioning normally.

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If you want to expand the capacity of your system with additional solid-state drives (SSDs), you should maintain the TRIM Enabler software installed so that you can simply enable TRIM on any new SSDs you add. While certain SSDs may not fully perform TRIM as intended, Apple will not take responsibility for any difficulties that may arise due to an SSD's hardware failing to do so.

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It's reasonable to assume that this will work with most Mac SSDs, just as it does for most Linux SSDs when TRIM is enabled. All SSDs attached to your Mac will be able to use TRIM when it restarts.įor Apple's OEM solid-state drives, you can deactivate trimforce and solely utilize TRIM by running the command: After you've done that, you'll have to read a spooky-sounding warning and consent by inputting a y.Īfter answering the follow-up question with a y, your Mac will automatically reboot. You'll be prompted for your user account password, which you should enter. When prompted, type and click Enter to launch a terminal window. Warning: Doing so might result in serious consequences! Just in case, it's a good idea to have copies of your most crucial files on hand.Ī Terminal window can be open by pressing Command + Space, typing Terminal, then pressing Enter to start a Spotlight-enabled terminal. It is impossible to turn on TRIM for one solid-state drive (SSD) while leaving it off for another SSD. It removes the restriction that only enables TRIM to operate on solid-state drives offered by Apple as an OEM.Īll of your solid-state drives will have TRIM enabled once you execute it.

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In a relatively unnoticed upgrade to OS X 10.10 Yosemite, known as OS X 10.10.4, Apple included a brand new command named 'trimforce.' This application may also be found in Apple's OS X 10.11 El Capitan operating system.Ī single-use of this command will enable TRIM across your whole array of solid-state drives (SSDs). When TRIM is not present, users may experience drastically slower write speeds from their drives when the storage space on those drives becomes full. How does the TRIM function on a Mac? The TRIM command is a system-level command that lets the operating system and the drive communicate with one another over which sections of the drive are deemed unused and are thus ready to be deleted and rewritten.

You will need to scroll down the right pane until you locate the TRIM Support option.

In the System Information window's left pane, locate the Hardware section and then browse to the SATA/SATA Express heading.

Simply choose the System Report option.

Select About This Mac after clicking on the Apple symbol located in the screen's upper-right corner.

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Here is how to determine whether or not TRIM is currently operating. How can I tell whether my Mac's TRIM feature is on or disabled? Data will be erased via Active Garbage Collection the next time the machine is inactive. Next, the SSD TRIM command instructs the drive to allow for the erasure of all data on the device. When you erase a file from your SSD, the data on the drive is tagged as no longer being utilized. You may use the SSD TRIM command to clean up and arrange your solid-state disk using Active Garbage Collection.

SCSI, for example, has the UNMAP command, which is a complete parallel to the TRIM command. SSDs that have other types of interfaces than TRIM also contains a command that is comparable to TRIM. TRIM is not just accessible for SSDs that utilize the ATA interface but also for those that accept the SATA interface. The SSD TRIM command, also referred to as an Advanced Technology Attachment (ATA) command, communicates to the solid-state drive (SSD) which data blocks it may delete with the assistance of the operating system since the system is no longer using them. SSD TRIM is an important feature to be aware of if you're considering purchasing an SSD or already have one on your computer. Continue reading to get the answers to any questions you have regarding SSD TRIM, and this article will also teach you how to enable or disable SSD TRIM on a Mac.