No separate power supply is needed because the device is powered by the USB connection. The capacity is 2TB, and the maximum Serial Bus Transfer Rate over USB 3.0 is 5 Gb/s. Drives of this type are built for enhanced durability, shock tolerance, and long-term reliability. It has a height of 20.9mm, depth of 110.5mm, and width of 82.0mm. Cloud backup is provided using Dropbox and requires a Dropbox account.The highly portable Passport Ultra weighs only 0.23 kg or roughly half a pound. WD Drive Utilities enable you to register your HDD online, run diagnostics on the device, and set timers for various HDD activities. Hardware encryption can also be set up to provide additional protection from unauthorized access to your device. The included WD Security utility lets you set a password to access your files. The software allows for either file or folder backups. This software allows you to schedule backups of your files to run only at specifically scheduled times. WD SmartWare uses minimal system resources while working quietly in the background to protect your data through automatic and continuous backups. This 2TB Passport model features local and cloud backup using WD SmartWare Pro automatic backup software. This reformatting can be easily done using the Disk Utility available on most Mac operating systems. If you wish to use the drive with a Macintosh operating system, it will need to be reformatted to a single HFS+J partition. By default, the drive is formatted as one NTFS partition for compatibility with Windows operating systems. Due to its USB 3.0 functionality, this HDD may also be used to expand the storage capacity of your Xbox One gaming console.

For Macintosh users, the hard drive is compatible with Mac OS X Leopard, Snow Leopard, Lion, and Mountain Lion. The WD Windows 8 app enables digital media like video on the HDD to be automatically recognized, displayed, and organized. This product is compatible with Windows 8 File History, making backups a breeze. Windows 7 and Windows 8 are also compatible. The cloud ensures that files are safe even if you lose the hard drive.The portable Western Digital My Passport Ultra Black External Hard Drive is compatible with Windows XP and Windows Vista. In addition to local backups, the drive also offers cloud backups to the customer. You can set the device to back up your files easily. Its USB 3.0 interface enables fast data transfers and is compatible with USB 2.0 ports, too. The portable external hard drive supports both Windows PCs and Mac computers. Weighing just eight ounces, this 2.5-inch WD external hard drive is small enough to carry around in your pocket. It lets you take your entire digital library with you wherever you go.

he Western Digital My Passport Ultra Black External Hard Drive (WDBMWV0020BBK-NESN) has a capacity of 2TB.

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