Western Digital My Book Studio Edition II 4TB WDH2Q40000N プリント

Storage System

Western Digital, WD, the WD logo, Put Your Life On It and My Book are registered trademarks in the U.S. and other countries; Studio Edition and WD GreenPower 

Technology are trademarks of Western Digital Technologies, Inc. Other marks may be mentioned herein that belong to other companies. Pictures shown may vary 

from actual product. Not all products may be available in all regions of the world. All product and packaging specifications subject to change without notice. The term 

of your limited warranty is for 5-years, unless otherwise required by law. Please visit our web site at support.wdc.com/warranty for the detailed terms and conditions 

of our limited warranty.
© 2009  Western Digital Technologies, Inc. All rights reserved.
One gigabyte (GB) = one billion bytes. One terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. RAID 0 (Striped) 

accesses the full capacity of the drives. RAID 1 (Mirrored) accesses half of the total capacity for data protection.   

           4178-705012-A01 June 2009

Interface

FireWire 800 

 eSATA

FireWire 400  

USB 2.0

 

Dimensions

Height: 

6.54 in (166 mm)

Length: 

3.87 in (98 mm)

Width: 

6.06 in (154 mm)

Weight: 

5.2 lb (2.63 kg)

System Compatibility

Mac OS X 10.4.10+, 10.5.2 
Windows 2000/XP/Vista

1 

Capacities and Model Numbers

1 TB  

WDH2Q10000

2 TB  

WDH2Q20000

4 TB 

WDH2Q40000

Limited Warranty

2

5 years

Kit Contents

Dual-drive storage system
FireWire 800 cable
FireWire 800 to 400 cable
USB cable
AC adapter
Software CD
Quick Install Guide

Product Specifications

Pre-configured to RAID 0 (Striped)
Configurable to RAID 1 (Mirrored) 
Data transfer rate:

FireWire 800  

Mb/s (maximum)

eSATA  

3 Gb/s (maximum)

USB  

480 Mb/s (maximum)

AC input voltage  

 

100-240V

AC input frequency    

47-63 Hz 

Temperature: 

Operating  

 

5°C to 35°C

 

 

41 F to 95 F

Non-op. temperature: 

-20°C to 65°C

 

 

-4 F to 149 F

1

The 4 TB version works with Windows Vista only. Windows XP does not  

 support hard drives with capacities above 2 TB.

 

2

The term of the limited warranty may vary by region.  

 Visit support.wdc.com/warranty for details.

1 TB

284,000

or

76

or

250,000

2 TB

571,000

or

150

or

500,000

4 TB

1,142,000

or

300

or

1,000,000

Photos

up to

Hours 

up to

Songs 

up to

Automatic backup software — Back up important projects to multiple 
destinations including file servers, portable drives and My Book. 
Set it and forget it; every time you save a change it’s automatically 
backed up.

User serviceable — Want to upgrade a drive? Simply open the case 
and replace the existing drive – no screwdriver needed.

Capacity gauge — See at a glance how much space is available on 
your storage system.