MY BOOK
USER MANUAL
ABOUT YOUR WD DRIVE – 4

Power/Activity LED

The power/activity LED shows the drive’s power state as follows:

USB 3.0 Interface

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.
Registering Your Drive
Always register your My Book drive to get the latest updates and special offers. You can
easily register your drive using the WD Drive Utilities software, as described in
“Registering the Drive” on page 55. Another way is to register online at
http://register.wd.com.
Figure 2. My Book Drive
LED Appearance Power State/Activity
On steady Idle
Fast flashing, approximately 3 times per second Activity
Slow flashing, approximately every 2.5 seconds System standby
Power/Activity LED
Security Slot
USB 3.0
Power Connector