Western Digital My Book / My Book Essential User Manual 1 - Page 7

Physical Description As shown in Figure 2, the My Book drive has:  A power/activity LED indicator on the front  The power connector, interface port, and a security slot on the back MY BOOK USER MANUAL Power/Activity LED The power/activity LED shows the drive's power state as follows: USB 3.0 Interface LED Appearance On steady Fast flashing, approximately 3 times per second Slow flashing, approximately every 2.5 seconds Power State/Activity Idle Activity System standby USB 3.0 supports data transfer rates up to 5 Gb/s. USB 3.0 is backward compatible with USB 2.0. Connection to a USB 2.0 port transfers data at the port speed-up to 480 Mb/s Kensington® Security Slot For drive security, the Kensington security slot accepts a standard Kensington security cable (sold separately). For more information about the Kensington security slot and available products, visit www.kensington.com. Figure 2. My Book Drive USB 3.0 Power/Activity LED Power Connector Security Slot ABOUT YOUR WD DRIVE - 3