Western Digital My Cloud EX4 WDBWWD0000KBK-NESN ユーザーズマニュアル

Western Digital, WD and the WD logo are registered trademarks in the U.S. and other countries; My Cloud, WD SmartWare, WD Red and absolutely are trademarks of 
Western Digital Technologies, Inc. Other marks may be mentioned herein that belong to other companies. Pictures shown may vary from actual products. 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 depends on the country in 
which your product was purchased. Please visit our website at http:support.wdc.com/warranty for the detailed terms and conditions of our limited warranty and for a list of the 
specific countries in these regions.
© 2013 Western Digital Technologies, Inc. All rights reserved.
As used for storage capacity, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating 
environment. As used for transfer rate or interface, megabyte per second (Mb/s) = one million bytes per second, and gigabit per second (Gb/s) = one billion bits per second.
 

 

 

 

 

 

 

                

 

 

 

                 

4178-706085-A00 Dec 2013

System management

LCD display information:

•  IP Address of connected server (and friendly name)
•  Fan monitor
•  System temperature monitor 
•  Disk monitor
•  Disk volume monitor
•  Ethernet plug monitor
•  Device uptime
•  Capacity remaining
•  Firmware version

System status: Device Information

•  Capacity usage status for the external storage 
•  File category breakdown of how much video, photo, music is stored

Alert notifications

•  Event UI message
•  UI Alert (with message acknowledgment required)
•  Email notice
•  QuickView pop-up message 
•  RED LED status

Network Recycle 

•  Support Windows CIFS
•  Support Apple AFP

System/FTP Log (Syslog Client)
HTTP/S (Web) Administration Interface (HTTP Server)
Firmware upgrade
Configuration backup and restore
SNMPv2
System Information

•  CPU percentage
•  RAM usage
•  Network performance in MB/s

USB port

Support UPS monitoring
Support External Storage device
Support MTP (Media Transfer Protocol) and PTP (Picture Transfer Protocol)

Media streaming

UPnP AV Media server (Twonky v7.2) 
DLNA 1.5 certification
Support WD TV

®

 Live

™

, Xbox

®

 360, PlayStation

®

 3, Windows 8, connected TVs, Blu-ray

®

 players and digital picture frames

iTunes

®

 Server

Add-on support

iSCSI

iSCSI Target

•  CHAP authentication
•  iSNS (Internet Storage Name Service )
•  Up to 64 iSCSI Targets

Volume Virtualization: NAS can be configured as an iSCSI initiator and capable of mapping any iSCSI target of the other 
device to be one virtual volume.

•  Virtual Disk Drive (via iSCSI Initiator)
•  Max number of virtual disk drives supported is eight (8)

Power supply

Input voltage: 100V to 240V AC 
Input frequency: 50 to 60 Hz 
Output voltage: 19V DC, up to 6.32A

Power measurements
with WD Red drive 
configurations

Temperature

Operating Temperature: 0° C to 35° C ( 32° F to 95° F)
Non-op Temperature: -40° C to 70° C (-40° F to 158° F)

Available capacities

0 TB, 8 TB, 12 TB, 16 TB

aMule - peer to peer file sharing application
Icecast - media streaming app
phpBB - Internet forum application
Joomla! - content management system
SqueezeCenter - streaming audio server
phpMyAdmin - My SQL administration tool

WordPress - blogging tool and content management system
Transmission - BitTorrent client
NZBGet - NZB file download management software
Git - revision control and source code management system
For the latest information on third-party apps,  
visit wd.com/mycloud

No Drive

4 x 2 TB

4 x 3 TB

4 x 4 TB

Power Off

358mW

357mW

360mW

358mW

Standby Mode (AC power cord plug-in only)

2.3W

2.3W

2.3W

2.3W

Idle

16.1W

33.5W

35.3W

35.8W

Full Operation

N/A

37.8W

38.3W

38.5W