The My Passport Essential Portable Hard Drive from Western Digital is your answer to sleek, 'future-proof' portability. With this bus-powered drive, you can have up to 5Gb/s USB 3.0 speeds with complete backward compatibility with USB 2.0, allowing you to take full advantage of your drive immediately while still ensuring future usability.
| Interface | USB 3.0 (backward compatible with USB 2.0) |
| Data Transfer Rate |
USB 2.0: Up to 480Mb/s USB 3.0: Up to 5Gb/s |
| System Compatibility | Formatted NTFS for Windows XP / Vista / 7, requires reformatting for Mac OS X 10.5 / 10.6 |
| Operating Temperature | 41-95°F (5-35°C) |
| Storage Temperature | -4-149°F (-20-65°C) |
| Dimensions | 0.6 x 4.3 x 3.2" (1.5 x 11.0 x 8.3 cm) |
| Weight | 0.31 lb (0.14 kg) |