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The standard for checking SSD/HDD health via S.M.A.R.T. data (Free).
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Look at the "Data" column for items like "Reallocated Sector Count" or "Uncorrectable Sector Count." If these are not zero, your drive might be failing. Click "Start" to run a sector-by-sector scan.
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This shows the Self-Monitoring, Analysis, and Reporting Technology data.
Tip: The Transfer Rate graph should ideally be smooth. Jagged drops indicate potential issues or system bottlenecks. 50, along with better, modern alternatives
Green squares indicate healthy sectors; red squares indicate damaged sectors. Why You Should Use Modern Alternatives (2026)