SSDs rarely give the loud warning signs that a dying hard drive does, so it is worth checking their health now and then, and always when you buy a second-hand computer. Windows can show you the essentials without installing anything, and free tools give you the full picture in a minute or two.
Key takeaways
- SSDs report their own health through SMART data, which Windows and free tools can read.
- Windows 11 shows estimated remaining life for NVMe SSDs in Settings.
- PowerShell can show health status and wear without extra software.
- CrystalDiskInfo shows a health percentage and total data written for most drives.
- A health warning is a signal to back up immediately, not a reason to wait.
Method 1: Windows 11 Settings (NVMe SSDs)
- Open Settings and choose System, then Storage.
- Click Advanced storage settings, then Disks and volumes.
- Select your SSD and click Properties.
- Look under Drive health for estimated remaining life, available spare and temperature.
This view only appears for NVMe drives. If you do not see a Drive health section, your SSD is probably a SATA model, so use one of the methods below.
Method 2: PowerShell
Right-click the Start button, choose Terminal (Admin) or Windows PowerShell (Admin), and run:
Get-PhysicalDisk | Select FriendlyName, MediaType, HealthStatus
A HealthStatus of Healthy is what you want. For wear and temperature, run:
Get-PhysicalDisk | Get-StorageReliabilityCounter | Select DeviceId, Wear, Temperature, ReadErrorsTotal
Wear is the percentage of the drive’s rated endurance that has been used. Some drives leave this field blank, in which case a dedicated tool will show more.
Method 3: CrystalDiskInfo
CrystalDiskInfo is a free, widely used utility that reads the drive’s SMART data. Install it from the developer’s official site, open it, and it shows:
- Health status: Good, Caution or Bad, often with a percentage.
- Temperature.
- Total host writes: how much data has been written to the drive in its life.
- Power on hours and power on count.
Method 4: Your SSD maker’s tool
| Brand | Free tool |
|---|---|
| Samsung | Samsung Magician |
| Western Digital and SanDisk | WD Dashboard |
| Crucial | Crucial Storage Executive |
| Kingston | Kingston SSD Manager |
| Seagate | SeaTools |
These tools also install firmware updates, which can fix bugs that affect reliability.
How to read the results
| What you see | What it means | What to do |
|---|---|---|
| Good or Healthy, wear low | Plenty of life left | Nothing, check again in a few months |
| Remaining life or health below about 50% | Well into its rated endurance | Keep backups current and plan a replacement |
| Caution | The drive has logged errors or reallocated sectors | Back up now and replace soon |
| Bad, or the drive turns read-only | Failure is likely or under way | Copy off your data immediately and replace the drive |
Signs an SSD is failing
- Files that will not open or come back corrupted.
- The computer freezes or crashes when saving or copying.
- Windows reports file system errors or asks to repair the drive.
- The drive suddenly becomes read-only.
- The computer cannot find the drive at start-up.
What to do next
If your SSD is worn or showing warnings, back up first, then replace it. Our refurbished SSDs are tested before sale, and if the computer still runs on a hard drive, read whether an SSD upgrade is worth it. If the whole machine is due for retirement, every laptop in our refurbished laptops range ships with a tested SSD and a 1-year warranty. Before you pass an old drive on, wipe it properly as described in our guide to refurbished laptop data security.
Frequently asked questions
How long does an SSD last?
Most SSDs outlast the computer they are in under normal use. Each drive has an endurance rating in terabytes written, and typical office and home use stays well below it for years.
Can I check SSD health without software?
Yes. Windows 11 shows Drive health for NVMe SSDs in Settings, and PowerShell can show health status and wear for most drives.
What does 100% wear mean?
It means the drive has reached its rated write endurance. Many drives keep working past that point, but the risk of failure rises, so replace it and keep backups.
Is CrystalDiskInfo safe?
It is a long-established free utility. Download it only from the developer’s official website to avoid bundled software from third-party download sites.
A two-minute check a few times a year, plus a working backup, means an SSD problem becomes a planned replacement instead of lost work.

