Defragmenting an SSD does not lead to any performance improvement: it can even reduce the life expectancy of an SSD. This must be avoided either through automatic recognition by the operating system or by a defragmentation software.Some sources spread the inaccurate rumor that defragmenting and cleaning your hard drive will not make it last as long. The idea behind that statement is that since you are rewriting files to the disk when you defragment, you are putting more wear and tear on the hard drive than necessary, thus shortening its lifespan. This is simply not true.Defragmentation is commonly known as "defragging" or "defrag. The work of defragmentation is to rearrange all the data and files that are stored on the hard drive of your system. The purpose of rearranging data is to bring all the related files at the same place that are spread across the computer.
Should I defrag a solid state drive?
The answer is short and simple — do not defrag a solid state drive. At best it won't do anything, at worst it does nothing for your performance and you will use up write cycles. If you have done it a few times, it isn't going to cause you much trouble or harm your SSD.
Does defragmenting an SSD affect its performance?
While SSDs become fragmented just the same as a mechanical drive, it makes no difference to the SSD if the data is all in one place or scattered around various locations on the drive. The “seek time” is virtually unaffected by this. So defragmenting an SSD would make just about zero difference to your SSD performance.
Does Defragmenting a hard drive kill it?
SSD Wear and Tear Even if defragging a mechanical drive may not actually make it perform any better, at least it does no harm other than taking up computer time. With an SSD on the other hand, defragging can actually help kill it. If you want to understand exactly why that is, be sure to check out our in-depth article on SSD wear & tear.
What is Defragging and how does it work?
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.