Optimize Windows for a SSD

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For the optimal usage of your SSD you should at least be using Windows 7. It detects SSDs automatically and sets some important parameters.

Here is what you can do/check to ensure optimal performance:

  • check TRIM support

open a CMD command shell as administrator and issue the following command:

fsutil behavior query disabledeletenotify

If the output is "DisableDeleteNotify = 0" then everything is fine, but if the output is "DisableDeleteNotify = 1" then TRIM support is deactivated. Activate it with:

fsutil behavior set DisableDeleteNotify 0

  • check alignment

open a CMD command shell as administrator and issue the following commands:

list disk

now select the SSD disk (x is the number of your SSD)

select disk x
list partition

look at the offset, if it is dividable by 4 then the alignment is OK, if not you have to correct it using this Google search

  • disable auto defragmentation

press Windowskey + R and write dfrgui.exe

Check "Optimize Drives". If your SSD is selected, deselect it.

  • disable SuperFetch

To do this, go to "Control Panel", "Administrative Tools", and "Services". Scroll down until you see the "SuperFetch" entry, double-click on it, and choose "Disabled" from the list. Next, open up the registry; press Windows-Key + R and type in "regedit". Hit Enter, and go to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters". Double-click on "EnablePrefetcher" and enter "0" to disable the Prefetcher.

  • disable Readyboost

Go to "Control Panel", "Administrative Tools", "Performance Monitor" and select "Startup Event Trace Sessions" from the left side. Now double-click "Readyboost" on the right side, select "Trace Session" and deselect "Enabled"

There, your Windows is now optimized for optimal SSD usage.

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