The best Hard Disk Diagnostic alternative to Microsoft ScanDisk is HD Tune, which is free. If that doesn't work for you, our users have ranked five alternatives to Microsoft ScanDisk, but unfortunately only two of them are Hard Disk Diagnostic Tools.
HD Tune is a hard disk / SSD utility with many functions. It can be used to measure the drive's performance, scan for errors, check the health status (S.M.A.R.T.), securely erase all data and more!.
Macrorit Disk Scanner is a third party disk surface portable tool for scan disk bad sectors which provides you with better options and better performance than Windows native disk scanner.
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