One of the recommended procedures when disposing or recycling a computer or hard drive is to completely erase the existing data on the hard drive by reformatting, overwriting the data or using a drive wiping program. This works quite well on standard ATA, SATA, and SCSI drives that use spinning magnetic platters. Apparently, these techniques do not reliable remove data from solid state drives (SSDs).
There currently are no reliable methods to guarantee complete erasure of data on SSDs. The exception ...
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