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Smart Disk Checker is a free software that allows you to check the health of your storage devices (hard disks, SSDs, USB sticks, etc.) in order to prevent failures and data loss. SDC PRO is compatible with various storage standards (SATA, USB, NVME, IDE, etc.) and aims to be the most reliable software to check health status, especially on SSD. Constant work is done on the support of flash media controllers (especially SSD) and the interpretation of SMART values specific to each manufacturer. With an intuitive and light interface, the software is available in portable, installable (Windows 7 or higher) and bootable version. Main features : Disk summary: visual summary of the health status of connected storage devices. Detailed SMART indicators: highlight relevant health indicators with precise explanations. Disk list: overview of physical and logical disks (partitions) including their status and occupancy rate. Secure eraser: GUI utility for secure erasure by rewriting data sectors. Hexadecimal viewer: visual control of the low-level content of disk sectors.