Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The 3TB My Book External Hard Drive for Mac from WD is fully compatible with Apple Time Machine for quick and easy backup for all of your important files. The USB 3.0 interface provides SuperSpeed data transfer rates of up to 5Gbit/s. With a reduced form factor, this My Book Drive takes up less space than the previous versions of the My Book Drives. Setup and configuration of this drive is simple with plug and play capability. For added security, you also benefit from WD's security utility allowing you to set password protection and hardware encryption.
Apple Time Machine Compatible
Help protect important information with Apple Time Machine.
USB 3.0 Interface
With this single drive you can connect to a USB 3.0 port for SuperSpeed transfer rates or connect to a USB 2.0 port for Hi-Speed USB connectivity.
Ultra-Fast Transfer Rates
When connected to a SuperSpeed USB 3.0 port this device lets you access and save files up to 3 times faster than USB 2.0.
WD Drive Utilities
Register your drive, set drive timer, run diagnostics and more using the WD Drive Utilities.
Designed for Mac
Formatted for Mac and compatible with Apple Time Machine, this drive is plug-and-play ready for Mac Computer users.
In the Box
WD 3TB My Book External Hard Drive for Mac
Quick Install Guide
Limited 2-Year Manufacturer Warranty
Table of Contents
Operating Temperature: 41 to 95°F (5 to 35°C) Non-Operating Temperature: -4 to 149°F (-20 to 65°C)
AC Input Voltage: 100-240 VAC AC Input Frequency: 47-63 Hz
Formatted HFS+ Journaled Mac OS X, Tiger (note: 3 TB is not compatible), Leopard, Snow Leopard, Lion, Mountain Lion Requires reformatting for Windows operating systems