How to Check If TRIM Is Enabled on SSD

Do you need to check if TRIM is enabled on your SSD? Maybe your SSD is running slower than before, or you just want to make sure Windows is maintaining your drive properly. Is TRIM enabled or disabled?

You may not know where to check or what the command results mean. In this guide, I'll show you two easy ways to check TRIM on Windows 11/10. You'll also learn how to enable TRIM and use EaseUS Partition Master to optimize your SSD.

How do I check if I have TRIM and when it was last used?
by u/Aeromorpher in techsupport

What Is TRIM and Why Is It Important for SSDs?

TRIM is a feature that helps Windows communicate with an SSD when you delete files. It tells the drive which data blocks are no longer in use, so the SSD can prepare them for future write operations.

• When TRIM is enabled, your SSD can manage deleted data more efficiently. This helps maintain write performance and supports the drive's garbage collection process.
• If TRIM is disabled, the SSD may need to do more work when writing new data. Over time, this could affect write performance, especially when the drive is under heavy use.

That's why it is worth checking whether TRIM is enabled on your SSD.

How to Check If TRIM Is Enabled

There are two ways to check TRIM on Windows 11/10. Command Prompt gives you the exact Windows TRIM notification setting, while the Optimize Drives utility lets you view and manage SSD optimization.

Method	Best for	Key advantage
1. Command Prompt	Users who want a direct TRIM status check	Shows whether Windows allows TRIM notifications
2. Optimize Drives	Users who prefer a graphical interface	Lets you view SSD optimization and run Retrim

Method 1. Check If TRIM Is Enabled with Command Prompt

Command Prompt is the quickest way to check if TRIM is enabled on Windows. You only need to enter one command to see the current setting.

Here is how to check TRIM status with CMD.

Step 1. Open the Start menu.

Step 2. Type "cmd" in the search box.

Step 3. Right-click Command Prompt and choose "Run as administrator."

Step 4. Enter the following command:

• fsutil behavior query DisableDeleteNotify

Step 5. Press Enter.

Windows will display the DisableDeleteNotify status. You may see an output like this:

• NTFS DisableDeleteNotify = 0
• ReFS DisableDeleteNotify = 0

How to tell if TRIM is enabled or disabled:

• If the result is "DisableDeleteNotify = 0", TRIM notifications are enabled. Windows allows delete notifications to be sent to supported storage devices.
• If the result is "DisableDeleteNotify = 1", TRIM notifications are disabled. Windows is not sending these notifications through the file system.

The command uses a negative setting name, so the result can be confusing. A value of 0 means that delete notifications are not disabled. A value of 1 means they are disabled. 

Method 2. Check TRIM with Optimize Drives

If you don't want to use Command Prompt, you can check your SSD through the Windows Optimize Drives utility. This method is useful if you want to see how Windows recognizes your drive and whether scheduled optimization is enabled.

Here is how to check your SSD with Optimize Drives.

Step 1. Open File Explorer.

Step 2. Click This PC and find the SSD you want to check.

Step 3. Right-click the SSD and select Properties.

Step 4. Open the Tools tab and click Optimize under Optimize and defragment drive.

Step 5. Find your SSD in the Optimize Drives window.

Check the following information:

• Media type: Make sure Windows identifies the drive as a Solid state drive.
• Current status: View the last optimization status.
• Scheduled optimization: Check whether automatic drive optimization is turned on.

You can also select the SSD and click "Optimize" to run the optimization manually.

For SSDs, Windows uses Retrim during drive optimization. Retrim sends information about unused data blocks to the SSD, helping it manage storage more efficiently.

How to Enable TRIM on Windows 11/10

If you find that TRIM notifications are disabled, you can turn them on with Command Prompt. Windows provides a built-in command for this.

Follow these steps to enable TRIM on your SSD.

Step 1. Open the Start menu, type "cmd", and select Run as administrator.

Step 2. Enter the following command:

• fsutil behavior set DisableDeleteNotify 0

Step 3. Press Enter.

Windows will update the TRIM notification setting. You don't need to restart your computer.

Step 4. Run the check command again:

• fsutil behavior query DisableDeleteNotify

If the result shows "DisableDeleteNotify = 0," Windows now allows TRIM notifications.

If TRIM still doesn't appear to work, check whether your SSD supports TRIM. You should also consider the storage driver, controller, RAID configuration, or external USB enclosure, as these components can affect TRIM command pass-through.

All-in-one Tool to Optimize SSD

If you want to do more than check TRIM, you may need an SSD management tool. Windows has built-in drive optimization features, but it doesn't provide all the tools you need to check SSD health, test disk speed, and manage partitions in one place.

EaseUS Partition Master is an all-in-one disk management tool that helps you monitor SSD health and optimize disk performance. It offers several useful features:

If you want a convenient way to check SSD health and manage disk performance, EaseUS Partition Master brings these tools together in one interface.

Here is how to check SSD health with EaseUS Partition Master.

Step 1. Download and launch EaseUS Partition Master.

Step 2. Click the disk icon in the upper-right corner of your SSD.

Step 3. Here, you can check the SSD health information and SMART attributes.

Conclusion

If you want to check whether TRIM is enabled on your SSD, you can use Command Prompt or Windows Optimize Drives. CMD provides the most direct way to check the TRIM notification setting, while Optimize Drives lets you view and run SSD optimization.

If the command returns 0, Windows allows TRIM notifications. If it returns 1, you can use the fsutil command to enable them.

For more complete SSD maintenance, EaseUS Partition Master also helps you check SSD health, test disk speed, align partitions, and manage storage.

FAQs

1. Is TRIM enabled by default on Windows 11/10?

Yes. TRIM is normally enabled by default for NTFS volumes on Windows 11/10. Windows also schedules regular drive optimization for supported storage devices.

2. Does TRIM improve SSD performance?

Yes. TRIM helps an SSD identify data blocks that are no longer in use. This allows the drive to prepare those blocks for future write operations and reduces unnecessary work during data management.

It helps maintain SSD write performance over time, but it does not increase the drive's rated read or write speed.

3. Should I run TRIM manually?

Most users don't need to run TRIM manually because Windows automatically schedules drive optimization. If you want to run Retrim manually, open the Optimize Drives utility, select your SSD, and click Optimize.

4. Does TRIM permanently delete files?

No. TRIM itself does not delete files. It tells the SSD which data blocks are no longer needed after files have been deleted. However, the SSD may reclaim these blocks during garbage collection. This can make deleted data much harder to recover. If you accidentally delete important files from an SSD, stop using the drive and avoid writing new data to it.