Western Digital has created the sleek and stylish My Book External Hard drive that allows you to store or back up your files with an ultra-fast transfer rate. The included Acronis True Image WD Edition software suite can back up your entire disk drive or just selected partitions. In addition you can securely delete confidential data you no longer need with the software. With the use of Dropbox you can even back up your files to the cloud. Have the peace of mind knowing that WD security's password and hardware encryption is protecting your data from unauthorized access.