Seagate, WD, Toshiba Portable Hard Drives for Less Than $100
WD My Passport ($97.52)
This 1TB drive provides automatic backup software, password protection and hardware encryption, as well as data-transfer rates through USB 3.0 connectivity of up to 5Gbps.
Seagate Backup Plus ($89.99)
With up to 1TB of storage, the Seagate drive offers a "save" feature that enables user-generated content to be backed up from the user's favorite social network, while the "share" feature allows multiple files to be uploaded to social networks at once from the user's computer.
Toshiba Canvio ($84.99)
This 1TB hard drive provides file, folder and full system backup and recovery with preloaded backup software, as well as an internal shock sensor and ramp-loading technology to help keep the drive safe.
Transcend Information ($98.95)
If you're working in a rough-and-tumble environment, this 1TB drive, which offers an advanced three-stage shock-protection system, is the best bet to keep your data secure.
Buffalo MiniStation Stealth ($88.24)
This 1TB drive uses an Eco Manager to conserve energy and battery power, while SecureLock software offers control of the data encryption on the Buffalo external hard drive by providing password protection and software data encryption.
HGST Touro Mobile ($79.99)
This 1TB drive supports the latest USB 3.0 specifications and is formatted at the factory for plug-and-play simplicity for transferring files with Windows PCs.
LaCie Rugged ($89)
The shock-resistant design of this 500GB drive will keep your data secure, while secure password-protection software keeps the data safe from prying eyes.
Iomega Helium ($69.77)
Aimed at Mac users, this 500GB drive includes 256-bit hardware encryption as well as Iomega Protection Suite software with antivirus and backup features.
G Technology G Drive Mobile ($84.77)
Lightweight, stylish and featuring high-speed USB 3.0, this 500GB drive features an all-aluminum base for ruggedness and heat dissipation and is ready right out of the box for Apple's Time Machine backup platform.
Silicon Power Rugged Armor A80 ($79.99)
This 1TB drive offers compliance with U.S. military-grade drop and water resistance tests, and uses USB 3.0 technology for fast data transfers.