How to Optimize SSDs in Windows 10

A common method of optimizing a drive is to defrag, but it doesn’t work in the same way with SSDs. So, what could be the other possible ways to optimize SSDs?

In this post we’ll uncover how to optimize the SSDs in Windows 10 as well as debunk some common myth.  But, before I go further, I would advise to trust Windows as it knows what it is doing.

Stop Wasting Time on These

As I said earlier, SSDs doesn’t work as the way HDDs do. While in HDD, defragmentation could be a great factor of optimization, but in SSD it doesn’t get appreciable results.

Another advice on SSD optimization usually we get is to reduce the amount of write to the SSD. Though it sounds valid as reducing the writes should minimize the risk of wear. But research has shown even with the lowest failure threshold, a 700 TB SSD will run 19 years without failure, if you write 100GB a day.

For extremely heavily use – SSDs used in database servers tweaking won’t get desirable result. Still you’ll need to take regular backups as SSDs could fail for many other reasons.

Instead How You Should Optimize the SSD

If you’re using Windows 8 or later version, relax Windows does much of the optimization task by itself. However, there are some optimization tweaks that are worth giving try.

Make Sure TRIM is Enabled

Unless you’re running a Windows XP or Vista PC, the TRIM feature should be enabled by default. TRIM command allows to notify the SSD to wipe out data from blocks which are no longer in use. Erasing those blocks reduces the Write speed and maintains optimum performance throughout the lifespan.

By default, the TRIM feature should be enabled in Windows 7, 8, 8.1 and 10, but sometimes it may not happen. Here’s how you can ensure that TRIM is configured properly:

  1. Open the Power User menu, using Windows key + X and select Command Prompt (Admin)
  2. Type in the following command and press Enter


sutil behavior query DisableDeleteNotify

optimize ssd - trim enabled

After executing the command, you should get a result of zero (0). If you can see the same, then it means TRIM is enabled. If you get result as one (1), then it means TRIM is disabled. When TRIM is disable in the system you should do the following:

After opening the Command Prompt, Type in

sutil behavior query DisableDeleteNotify 0

It should enable the TRIM and you should get DisableDeleteNotify = 0


Set SATA controller to AHCI mode

SSD works better with AHCI (Advanced Host Controller Interface) mode. Most of the modern motherboards SATA controller is set to AHCI by default, you can see it from Device Manager >> IDE ATA/ ATPI controllers.

optimize ssds - sata controller settings


If you see SATA controller mode in IDE, do the following to change it from IDE to AHCI.

  1. Open System Configuration, using Windows + R shortcut key and type in msconfig
  2. Under the Boot tab, select Safe boot and press Applyoptimize ssds - system configuration
  3.  After applying changes reboot your computer.
  4. And before your computer start again go to BIOS configuration and change the disk mode to AHCI.
  5. Save the new configuration and restart again.

Let Windows Do It for You

“Defragmenting SSDs is not a good idea” – but Windows does defrag your drive automatically sometimes, but with a little constraint. Windows will only defrag a SSD when System Restore is turned on. This helps OS to avoid additional process of reading and writing a file when File system meta data cannot represent any more file fragmentation.

As far SSD optimization is concern, on Windows 8 and 10 “Optimize Drive” application can be useful. This allows Windows to send retrim command on a schedule you set. This ensures there is no data left after the TRIM command were originally sent. To run “Optimize Drive” do the following:

  1. Select a Drive from File Explorer, then right click and open the properties tab
  2. Under the Tool tab, you should see Optimize and defragment drive. Click on Optimize.optimize ssds - tools tab
  3. Now another window should open, select the drive, first press on Analyze to see if they need to be optimized and then press Optimizeoptimize ssds- optimize drives
How to Optimize SSDs in Windows 10 was last modified: December 5th, 2019 by John Harris

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