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Should You Defrag an SSD?
#1
If you’ve ever owned a traditional hard drive, you have probably defragged it at some point along the way. This is because defragging a hard drive is necessary due to the way it is built. In recent years, many people have been replacing their HDD with an SSD due to the impressive technology and additional benefits. Those who are used to defragging their hard drives may wonder if it is necessary to defrag an SSD. We answer that question below.

Should I defrag my SSD?
The short answer is this: you don't have to defrag an SSD.

To understand why, we first need to look at the purpose of defragmenting a drive. Defragging ensures that large files are stored in one continuous area of a hard disk drive so that the file can be read in one go. Mechanical drives have a relatively long seek time of approximately 15ms, so every time a file is fragmented you lose 15ms finding the next one. This really adds up when reading lots of different files split into lots of different fragments.

However, this isn't an issue with SSDs because the seek time are about 0.1ms. You won’t really notice the benefit of defragged files — which means there is no performance advantage to defragging an SSD.

SSDs move data that's already on your disk to other places on your disk, often sticking it at a temporary position first. That's what gives defragmenting a disadvantage for SSD users. You’re writing data you already have, which uses up some of the NAND's limited rewrite capability. So, you get no performance advantage whatsoever, but you are using up some of the limited rewrite capability.

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#2
Quote:Defragmenting an SSD using two technologies developed for this purpose by O&O may make tuner hearts beat faster, but if we get down to earth, we find that there is no real benefit associated with it. It is a consolation that O&O Defrag trims SSDs, which Windows' own defragmenter can also do (possible since Windows 8; under Windows 11 the on-board tool dfrgui.exe, which has the same name, still has it). Trimming a flash drive doesn't require a full-fledged defrag solution. This can also be done using dfrgui.exe or (for users who like to play or have programming ambitions) a batch/PowerShell script. The charm of O&O Defrag lies elsewhere: trimming is a nice accessory; above all, if you use a hard disk, service it with the undeniably useful, multifaceted defragmentation. This increases the pace.
Your PC works faster than with the best possible defragmented HDD if you operate it with an SSD.

Quote:We already measured the previous version O&O Defrag 25 in this context with a SATA 3 SSD and O&O Defrag 26 didn't bring any increase in speed beyond the measurement inaccuracy; the AS SSD benchmark scores remained practically the same.

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#3
Comment from one user on O&O Defrag Professional:

[Image: WEKdVbZ.png]

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