Does an SSD Need Defragging? Myths and Facts About Optimize Drives in Windows
One of the oldest PC tips is "defrag your drive to make it faster". That made sense in the days of mechanical hard drives, but with SSDs the story is different. Do you need to defrag an SSD? And is Windows hurting your drive when it runs "Optimize Drives"? Let's separate myth from fact.
Myth 1: "An SSD needs defragging like a regular hard drive"
Usually not. Traditional defragmentation arranges file fragments next to each other so the read head of a mechanical drive moves less. An SSD has no moving parts, so the idea does not apply in the same way. That is why Windows does not treat an SSD like a regular hard drive.
Fact: Windows runs something called Retrim
According to Microsoft's official documentation for the defrag tool, the scheduled task behind "Optimize Drives" typically runs every week as a maintenance task. For SSDs, however, Windows follows a special policy: traditional optimization processes, including traditional defragmentation and retrim, are done once per month. Changing the frequency of the scheduled task does not affect that monthly cadence for SSDs.
What is Retrim? According to Microsoft, it generates TRIM hints for all currently unused sectors of the volume, telling the drive those sectors are no longer needed. In other words, Windows is helping the drive tidy itself, not hammering it with pointless work.
Myth 2: "I should turn off Optimize Drives to protect my SSD"
Usually there is no need. Windows detects the drive type and applies the right policy. According to Microsoft, if you manually run traditional defragmentation on an SSD between scheduled runs, the next scheduled run performs analysis and retrim, but skips traditional defragmentation on that SSD.
Myth 3: "The last run date is old, so something is wrong"
Not necessarily. Microsoft explains that if analysis is skipped, you will not see an updated "Last run" time in the Optimize Drives app, so it can be up to a month old. It also notes the task will not wake the computer to run, and will not run on battery power.
What if I want to run Retrim myself?
- Open "Defragment and Optimize Drives" (Optimize Drives) from the Start menu.
- Select your SSD and click Optimize.
- For command-line fans: Microsoft provides the Optimize-Volume PowerShell command with the ReTrim option.
Who is this for?
Anyone who installed a new SSD and worries about "maintenance", or read an old tip on a forum. The bottom line is that modern Windows knows how to handle an SSD, and you do not need third-party defrag tools.
Our picks at GamerZone
- KINGSTON NV3 1TB PCIe 4.0 NVMe SSD: a practical way to speed up your PC.
- SAMSUNG 990 PRO with Heatsink 1TB: for high performance with a ready-made heatsink.
Check the current price on the product page.
Quick tips
- Leave Optimize Drives on its default settings.
- Do not run old third-party defrag tools on an SSD.
- Keep some free space on the drive and update its firmware with the manufacturer's tool.
Bottom line
An SSD does not need defragging like an old hard drive, and Windows handles it smartly with a monthly retrim. Let the default settings do their job and spend your time gaming.
Contact us
Want help choosing the right SSD for your PC? Message us on WhatsApp 0564121558 or visit our Olaya or Aqiq branch in Riyadh. Installments are available with Tamara and Tabby.