Fast transfer rates When connected to a USB 3. 0 port, WD Elements portable storage delivers maximum performance for data transfers. Transfer a full-length HD movie in a fraction of the time it takes with USB 2. 0. Performance may vary based on user\'s hardware and system configuration. USB 3. 0 and USB 2. 0 compatibility Works seamlessly with the latest USB 3. 0 devices and is backward compatible with USB 2. 0 devices as well. High capacity in a small enclosure The small, lightweight design offers high-capacity storage, making WD Elements portable storage the ideal companion for consumers who want to take their important files with them. Improve PC performance When your internal drive is almost full your PC slows down. Don\'t delete files. Free up space on your internal drive by transferring files to your WD Elements and get your PC moving again. WD quality inside and out We know your data is important to you. So we build the drive inside to our demanding requirements for durability, shock tolerance and long-term reliability. Then we protect the drive with a durable enclosure designed for style and protection. Formatted for Windows Formatted NTFS and compatible with Windows 10, 8. 1 and 7. Reformatting required for other operating systems. Specifications Package Contents: Portable hard drive, USB cable, Quick install guide Operating temperature: 5?C to 35?C Non-op. temperature: -20?C to 65?C Interface: USB 3. 0 Type-A Limited Warranty: 2 years Dimensions Length: 4. 45 in (111 mm) Width: 3. 20 in (82 mm) Height: 0. 82 in (21 mm) Weight: 0. 52 lb (0. 23 kg)