According to UniRecovery RAID Data Recovery Labs, External Hard Disk Drives provide great flexible storage option and security by providing a mobile back up option, yet this advantage has dangerous twist to users. With storage capacity running in hundreds of Gigabites, accompanied by high rates of data transfer, in addition to the flexibility to plug the external drive to a Laptop, Desktop, Server, Memory Cards, Camera or iPod and sold at reasonable prices have increased their popularity dramatically. However, as the popularity of the external drives containing backups and valuable data are increasingly failing for no apparent reasons.