so at this time it's important to backup your data and replace the drive. This means you can download, install, run and share the program freely without any restrictions. but bad sectors will increase as the drive is continued to be used. CrystalDiskMark is released under the MIT License for the Windows operating system from drive utilities. You have a bad sectors on your drive and your drive has identified them an relocated that sector to good area's the drive.

Indicates how many defective sectors were found during the off-line scan 1. Raw value indicates the exact number of such sectors. if some transient condition prevented reading of the sector, it will be marked 'pending') - they will be then re-tested by the device off-line scan 1 procedure and returned to the pool of serviceable sectors. In fact, such sectors my be not defective at all (e.g. Indicates how many suspected defective sectors are pending 'investigation'. It will also display the S.M.A.R.T data and provides a health rating based on your drive's. To download it from the Microsoft store, open the link I just provided you, click on the button Get, wait for the store to open and press the button again Get. Low values in absence of other fault indications point to the disk surface problem. CrystalDiskInfo displays basic HDD information, monitors S.M.A.R.T. Il download at Crystal Disk Mark it can be done in two ways: from the official website of the program or, if you use Windows 10, from the official Microsoft store. Indicates how many defective sectors were discovered on the drive and remapped using a spare sectors pool.

Crystal disk mark info