DESC: Erase personal data from hard drive when selling donating or recycling your computer, Removes credit card and social security numbers bank account info medical and tax records personal emails, 3 erasure levels fast Department of Defense 522022M disk sanitization standard and extreme, Purges any hard drive type or size; erase entire drive or portions IDE SCSI SATA USB and RAID, System requirements Windows 9598ME2000XP or Linux