To permanently clean your storage, you can try hard drive eraser tools like DBAN, Eraser, CCleaner, Disk Utility, etc. For example, your hard drive might become corrupt and you cant access it. Once a secure erase has been done the drive is effectively unreadable (Peter Gutmann’s seminal 1990 work with atomic force microscopes was done on 10MB drives, not 10TB ones and he doesn’t believe it’s possible to replicate anymore), however if you’re paranoid then toss the drive into a shredder. There could be many reasons why you want to wipe your hard drive. That said: If enhanced secure erase is available, take it The “secure erase” and “enhanced secure erase” for that disk are probably identical (but it might spin the keys as well as overwriting).This disk performs a full data overwrite (that’s the only reason why it would take almost three hours).You can use SDelete to securely delete existing files and securely erase any file. However if hdparm reports the same time for both methods: 168min for SECURITY ERASE UNIT. SDelete (Secure Delete) is another command line utility that can be downloaded to clean your hard drives securely. You may see the reallocated sector count change after a secure erase and the pending sectors should always be reset to zero. This means that even if there is any data remaining on the platters it can no longer be readĪta secure erase not only erases the visible sectors of the drive but also clears out the spares and tests everything for usability. The command set exists within the SSD firmware, and management of the process is conducted by software that operates within a bootable. It is designed to put the drive in a raw state by overwriting each bit of data as a zero. In Windows: Type ‘ command prompt ‘ into the Start menu and click Run as. This is a common method of sanitization for non-encrypted SSDs. The simplest and cheapest method to securely wipe a hard drive is to use the operating system or free software. Securely erasing a storage device Theres a command-line utility called shred, which overwrites data in a file or a whole device with random bits, making it nearly impossible to recover. Place an extremely powerful magnet on one side of the drive. SUPPOSEDLY - It regenerates the ATA encryption keys as well as erasing the disk. Using ATA Secure Erase for Solid State Hard Drives. How to physically wipe your hard drive Remove your HDD from the computer with a screwdriver.
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