01.The silence before the disaster
Unlike a fan that makes noise when it breaks, an SSD or HDD dies in silence. In 2026, with the increase in NVMe Gen 5 speeds, heat has become the biggest villain of lifespan. **CrystalDiskInfo** is the industry-standard tool for reading S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) data from your hardware, allowing you to know exactly how much "life" your disk still has before losing your photos and documents.
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02.1. Downloading and Understanding Colors
When you open CrystalDiskInfo, look at the status color:
- Blue/Green: Good health. No critical errors detected.
- Yellow (Caution): There are damaged or worn sectors. The disk can fail at any time. If you see this color, move your important files to the cloud or another HDD right now.
- Red (Critical): The disk is already failing. Windows may freeze with constant blue screens.
03.2. Checking Wear (SSD TBW)
Your SSD's Mileage:
On SSDs, look for 'Total Host Writes'.
This shows how many Terabytes of data have already been written to the drive since it left the factory. Every SSD has a write limit (TBW). If your SSD has a 100TB limit and you've already written 90TB, it will start to slow down or switch to 'Read Only' mode to protect itself. In 2026, monitor this if you work with video editing or constant torrents.
04.3. The Importance of Temperature
The danger of heat:
NVMe SSDs of 2026 operate at high temperatures but should not exceed 70°C for long. If CrystalDiskInfo shows the status in red because of temperature, your SSD will enter 'Thermal Throttling' and become slower than an old HDD. Consider buying a heatsink if temperatures are constantly above 65°C.
Don't do it Manually.
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Written by a verified expert
Douglas Felipe M. Gonçalves
Expert in Windows system optimization with years of experience in hardware diagnostics, kernel tuning, and advanced technical support. Founder of Voltris and developer of the Voltris Optimizer.
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By following this guide on How to Check HDD and SSD Health: CrystalDiskInfo (2026), you are equipped with the verified technical knowledge to solve this issue with confidence.
If you still have difficulties after following all steps, our expert support team is available for a personalized remote diagnosis. Every system is unique and may require a specific approach.