8TB Storage Capacity, Includes 2 x 4TB Hard Drives, 1.2 GHz Processor

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The 8TB My Cloud EX2 2-Bay Personal Cloud Storage Server from Western Digital is a 2-bay network attached storage device designed to be the central location where you store and backup your data. Simply insert the drives into the My Cloud EX2 and utilise a variety of RAID configurations including RAID 0, 1, JBOD, and spanning modes to suit your specific storage needs. This server also comes equipped with a 1.2 GHz processor and 512 MB of DDR3 RAM ensuring smooth operation even under the most demanding conditions.

Whether using the My Cloud EX2 on a Windows or a Mac based computer you can rest assured your data will remain secure with a variety of backup options including RAID 1, USB, cloud or LAN/WAN backup options. Simply attach the server to your network via the integrated Ethernet port located on the back of the device. Once connected, you can utilise the many apps that let you manage your data at home or on the go, and even receive notifications with regard to the status of your data and your drives via email and mobile alerts.

While the My Cloud EX2 can be used as a media storage device, it also comes equipped with features including iSCSI target, FTP services, jumbo frame support, iPv4/iPv6 support, UPS support (USB and network), real-time resource monitor, volume encryption with boot-up password, SNMP and virtual volumes. Each of these features ensures the My Cloud EX2 can be deployed in a variety of business environments, as it can support a wide number of network protocols, a variety of file systems, and much more all while keeping your files secure with Active Directory support and 256-bit AES volume encryption.

Key Features

Drive Management

Control your data with multiple drive management options including RAID 0, 1, JBOD and spanning modes.

Data Protection

Secure your data from loss with RAID 1, USB, cloud or LAN/WAN backup depending upon your data security needs.

Easy to Manage

Monitor drives, manage users and utilise energy-saving features. Email and mobile alerts keep you informed on My Cloud EX2 status.

Mobile and Desktop Apps

With WD's My Cloud apps, you can upload, access and share your documents from virtually anywhere. Conveniently transfer files from your public cloud accounts to My Cloud EX2 using the mobile app.

Apps to Customise Your NAS

With apps like aMule, Transmission, Icecast, Joomla!, phpBB, phpMyAdmin, SqueezeCenter, and more you can customise nearly every aspect of the My Cloud EX2.

Advanced Serving Options

Integrated file serving options include a standard file server, FTP server, backup server and P2P torrent download server.

Stream Media to Your Connected Devices

Stream videos and photos to connected TV, media players, gaming consoles, and other DLNA/UPnP devices. You also benefit from a Twonky DLNA-certified media server. And with My Cloud EX2 iTunes support, you can easily stream your music collection.

Back Up, Your Way

Protect your data with remote backup to another My Cloud EX2 or My Cloud EX4, integrated cloud backup or LAN/WAN backup. Enjoy peace of mind with WD SmartWare Pro for PC users and Apple Time Machine compatibility for Mac users.

Expand Your Capacity

Attach a compatible USB hard drive directly to one of the two USB 3.0 expansion ports on My Cloud EX2 and instantly expand your storage capacity.

Energy-Saving Features

Save energy with disk spin-down and scheduled power on/off.

Your Own Personal Cloud

Keep all your content in one safe place at home or your office and access it from anywhere with computers, tablets, and smartphones.

Advanced Features

Utilise a full suite of advanced features to power your home office including iSCSI target, full-featured FTP services, jumbo frame support, iPv4/iPv6 ready, UPS support (USB and network), real-time resource monitor, volume encryption with boot-up password, SNMP and virtual volumes.


Capacity8 TB
Interface1 x Gigabit Ethernet
2 x USB 3.0 Ports
Drive Bays2 x 3.5 inch hard drive bays, hot swap capable, trayless design
Processor1.2 GHz
Memory512 MB DDR3
Fan35 x 35 mm, 9,500 rpm
System RequirementsWindows 8.1 or earlier, Windows 7, Windows Vista or Windows XP (SP 3) operating systems
Mac OS X Mavericks, Mountain Lion, Lion or Snow Leopard operating systems
DLNA/UPnP devices for streaming
Router with Internet connection
Supported Web BrowsersInternet Explorer 8 or higher
Safari 6 or higher
Firefox 21 or higher
Google Chrome 27 and later on supported Windows and Mac OS platforms
Network ProtocolsDHCP client or static IP
NTP client
Dynamic DNS (DDNS)
Apple Bonjour and Windows Rally
Jumbo frame support
VLAN (802.1Q)
UPnP port forwarding
Network File ServicesOS Supports:
• Windows XP Home/ Pro (SP 3)
• Windows Vista/7/8 (all versions)
• Mac OS X Mavericks, Mountain Lion, Lion and Snow Leopard
CIFS/SMB for Windows, Mac OS X and Linux
NFSv3 for Linux and UNIX
AFP for Mac OS X
Microsoft Distributed File System (DFS)
WebDAV Server
SecurityActive directory support for Windows server 2003/ 2008/ 2012
Volume encryption (256 bit AES)
File SystemEXT4 for internal HDD
Supports the following formats for externally attached USB drives
• NTFS (read and write capability)
• HFS+J (case sensitive)
• Linux EXT2, EXT3, EXT4
FTP ServerSupport port setting Set port range of passive FTP Option to report external IP in PASV mode Client language selection Anonymous FTP Secure FTP support Support File eXchange Protocol (FXP) FTP bandwidth restriction (upstream/downstream) IP address block (block access from undesired IP address)
Download ManagementHTTP downloads from a URL to a user specified folder on the NAS
FTP downloads of files or folders from an FTP server to another files/folders on the NAS
P2P torrent download manager
Disk ManagementRAID 0/1; JBOD; spanning
RAID migration:
• JBOD to RAID 1
Hot swapping (RAID 1)
Disk roaming
Array roaming
Power ManagementDrive spin-up/down (including attached WD USB drives)
Automatic power recovery
Scheduled power on/off
Graceful shutdown on UPS low battery
Fan control
Network UPS
Wake On LAN
Remote AccessMy Cloud and WD Photos mobile apps
My Cloud desktop app
Web access
User/Group ManagementMax no. of users: 512 for Samba, 800 for ADS
Max no. of user groups: 64 for Samba, 200 for ADS
Max no. of network shares:128
Supports up to 10 concurrent CIFS connections
User/group assignment for network sharing/FTP
Quotas for groups or users
Assignment of users to multiple groups
Batch assignment of users to groups
Batch user creation
Importing users (CSV delimited format)
Backup ManagementRemote backups: Backup to a My Cloud EX2 or My Cloud EX4 locally or remotely
Apple Time Machine support
Backup internal files or folders of the device to other files/folders on the NAS
Cloud-based backup services
• Amazon S3 (http://aws.amazon.com/s3/)
• ElephantDrive (http://home.elephantdrive.com/welcome/wdc/)
Disk sync management for the attached USB ports
System ManagementAlert notifications
• Event UI messages
• UI alerts (with message acknowledgment required)
• Email notices
• QuickView pop-up messages
Network recycle bin
• Supports Windows CIFS
• Supports Apple AFP
System/FTP log (syslog client)
HTTP/S (web) administration interface (HTTP server)
Firmware upgrade
Configuration backup and restore
System information
• CPU percentage
• RAM usage
• Network performance
USB PortSupports UPS monitoring
Supports external storage device
Supports MTP (Media Transfer Protocol) and PTP (Picture Transfer Protocol)
Media StreamingUPnP AV media server (Twonky v7.2)
DLNA 1.5 certification
Supports WD TV Live, Xbox 360, PlayStation 3, Windows 8, connected TVs, Blu-ray players & digital picture frames
iTunes support
iSCSIiSCSI 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
Power SupplyAC input voltage: 100 V to 240 VAC AC input frequency: 50 to 60 Hz DC output voltage: 12 VDC, 3 A
TemperatureOperating Temperature: 41 to 95°F / 5 to 35°C
Non-Operating Temperature: -4 to 149°F / -20 to 65°C
Dimensions (HxWxL)6.75 x 6.10 x 3.9" / 17.145 x 15.494 x 9.906 cm
Weight5.0 lb / 2.3 kg
WD 8TB My Cloud EX2 2-Bay Personal Cloud Storage Server
Western Digital
RM Product #:
8 TB