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SSD performance may decrease over time. TRIM technology is designed to maintain its maximum productivity. With its help, you can improve the performance of Windows 10. The system itself detects the type of drive and optimizes it.

This article will show you how to enable TRIM for SSDs in Windows 10. In theory, data is deleted from blocks that are no longer used to improve performance … In fact, there is no point in defragmenting an SSD, since the data is stored on memory chips …

What is TRIM for SSD

The TRIM function shows which data blocks are no longer used and can be overwritten. The technology ensures uniform wear and max. performance. If it is not supported by the operating system, you can use third-party applications.

It is Windows 10 that notifies the disk which blocks can be safely overwritten …

How to check if TRIM is working

Search for Windows PowerShell and select Run as administrator . Run the command: fsutil behavior query DisableDeleteNotify . If after its execution you get zero, then this means that the TRIM function is enabled. However, one result means that TRIM is disabled.

How to enable TRIM feature in Windows 10

Run the Dfrgui command in the Win + R window . In the Disk Optimizer, highlight your SSD (I have Local Disk (C ) and click Optimize . So he writes, optimization is required …

Or, at the command line, run: fsutil behavior set disabledeletenotify NTFS 0 . Run as administrator, of course. Disabled by the same command, only with a value of 1.

My Samsung 970 Evo 500GB SSD supports proprietary software. In Samsung Magician, select the Performance Optimization section and click Optimize Drives .

You are taken to the same defragmentation and optimization tool for your disks. Now, after six months of using the drive, the optimization did not affect the sequential read and write speed. It all depends on the specific drive and the process of using it.

The tool may not be able to detect the correct media type: hard drive or solid state drive. Then it is recommended to use the command: winsat diskformal . And restart the disk optimization window. Now you can try to optimize it.


Everyone knows or at least heard about hard disk defragmentation . This method is strongly discouraged for SSD drives. This is where the TRIM function comes in handy. With it, you can optimize disks and improve the efficiency of your computer.

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