Model No - Western Digital My Book Essential Edition 3 TB Hard Drives

Part No - WDBACW0030HBK

Product Features
Dual USB 3.0 and USB 2.0
connectivity
A single drive with universal compatibility today and next-generation speed for tomorrow. Use it with USB 2.0 now and step up to USB 3.0 speed when you?re ready.

Up to 3x faster transfer rates
When connected to a SuperSpeed USB 3.0 port this drive lets you access and save files up to three times faster than USB 2.0. Transfer a 2-hour HD movie in just three and a half minutes instead of 13 minutes.*
*Performance may vary based on user?s hardware and system configuration.

WD quality inside and out
For over 20 years, millions of people  worldwide have trusted their data to WD hard drives. We are successful because we understand the importance of your data and our first concern is keeping that data safe.

WD SmartWare software
You?re in control of your backup. Install all the features, select just the components you need, or if you prefer, choose not to use the software at all.

Automatic, continuous backup
Works quietly in the background to protect your data using minimal PC resources. Whenever you add or change a file it?s instantly backed up.

Password protection for privacy
Gain peace of mind knowing that your data is protected from unauthorized access with password protection and encryption.*
* A model with disabled encryption is also available.

Planet friendly
We designed a small box and used recycled material to minimize waste. We encourage you to recycle it.

Performance Specifications 
Serial Transfer Rate
USB 3.0
Serial Bus Transfer Rate (USB 3.0) 5 Gb/s (Max)

USB 2.0
Serial Bus Transfer Rate (USB 2.0) 480 Mb/s (Max)

Physical Specifications 
Capacity 3 TB
Interface USB 3.0 and USB 2.0

Physical Dimensions 
English
Height 6.50 Inches
Depth 5.3 Inches
Width 1.9 Inches
Weight 2.60 Pounds

Metric
Height 165 mm
Depth 135 mm
Width 48.0 mm
Weight 1.18 kg

Environmental Specifications 
Temperature (English)
Operating 41 F to 95 F
Non-operating -4 F to 149 F

Temperature (Metric)
Operating 5 C to 35 C
Non-operating -20 C to 65 C

Electrical Specifications 
Current Requirements
Power Dissipation
AC Input Voltage 100-240 VAC
AC Input Frequency 47-63 Hz

Warranty - 3 Year.