Features
Easy to Use - Just plug it in and it's ready to receive your data.
USB Powered - These drives require no power adapter--they are powered directly through the USB cable.
Compact Design - Weighing in at only a few ounces, these tiny drives fit easily into pocket or purse.
Reliable - All WD drives, even our most basic products, are designed to protect your data and put through a comprehensive battery of tests before they are ready for market.



Tech Specs
Performance Specifications
Serial Transfer Rate: USB 2.0
Serial Bus Transfer Rate (USB 2.0): 480 Mb/s (Max)

Physical Specifications
Capacity: 400 GB
Interface: USB 2.0

Physical Dimensions
Height: 0.70 Inches (Max)
Length: 4.89 Inches (Max)
Width: 3.09 Inches (+/- 0.010 inch)
Weight: 0.34 Pounds

Environmental Specifications
Operating: 41 F to 104 F
Non-operating: -40 F to 149 F

PC System Requirements
Available USB port
Windows 2000/XP/Vista
Mac OS 10.3+

Package Contents
USB 2.0 portable hard drive
USB 2.0 certified cable
Quick Install Guide