WD 4TB (2x 2TB) My Cloud EX2 2-Bay Personal Cloud Storage Server, 1.2 GHz Processor, 512 MB DDR3 RAM, RAID 0/1/JBOD, Ethernet, USB 3.0

WD My Cloud EX2: Picture 1 thumbnail WD My Cloud EX2: Picture 2 thumbnail WD My Cloud EX2: Picture 3 thumbnail WD My Cloud EX2: Picture 4 thumbnail WD My Cloud EX2: Picture 5 thumbnail WD My Cloud EX2: Picture 6 thumbnail WD My Cloud EX2: Picture 7 thumbnail

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Product Highlights

  • Volume virtualization using iSCSI targets
  • Jumbo frame support
  • iPv4/iPv6
  • Network UPS
  • Real time resource monitors
  • Volume encryption
  • Virtual volumes
WD My Cloud EX2: Picture 1 regular $349.99

About WD My Cloud EX2

The Western Digital 4TB (2x 2TB) My Cloud EX2 2-Bay Personal Cloud Storage Server 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 utilize a variety of RAID configurations including RAID 0, 1, JBOD and spanning modes to suit your specific storage needs. This also server 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 utilize 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.

High-performance NAS
512 MB memory and 1.2 GHz processor deliver reliable, fast performance for your home or small office.

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

Data protection at its best
You're armed with multiple options to secure your data from loss. Choose from RAID 1, USB, cloud or LAN/WAN backup depending upon your data security needs.

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

Easy to manage
A powerful dashboard means your system is always under your control. Monitor your drives, manage users and utilize energy-saving features. Email and mobile alerts keep you informed on My Cloud EX2 status.

Advanced apps to customize your NAS
Featuring industry-leading apps, including aMule, Transmission, Icecast, Joomla!, phpBB, phpMyAdmin, SqueezeCenter and more.

Stream media to your connected devices
Stream videos and photos to connected TVs, media players, gaming consoles and other DLNA/UPnP devices. Features a Twonky 7.2 DLNA-certified 1.5 media server. And with My Cloud EX2 iTunes support, you can easily stream your music collection.

Advanced serving options
Integrated file server, FTP server, backup server and P2P torrent download server.

Back up, your way
Protect your data via remote backup to another My Cloud EX2 or My Cloud EX4, integrated cloud backup or local 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
Simply 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.

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

Advanced features
A full suite of advanced features to power your home or 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.

Your own personal cloud
Unlike public clouds, My Cloud EX2 allows you to keep all your content in one safe place on your home or office network instead of a remote server. No mysterious location of your data. No monthly fees. No limits. Just blazing-fast performance for your high-speed digital life.

WD My Cloud EX2 Features

  • Volume virtualization using iSCSI targets: My Cloud EX2 allows you to create and manage iSCSI targets, similar to a local hard disk drive, that is accessed over a network rather than locally. The iSCSI target is protected by the underlying RAID structure of the My Cloud EX2 server.
  • Jumbo frame support: My Cloud EX2 supports jumbo frames up to 9000 bytes. These large IP frames are used to increase performance over supported networks. Increases in data transfer speeds only occur if every device on your network supports jumbo frames.
  • iPv4/iPv6: Supports the latest revision of the Internet Protocol.
  • USB UPS: A supported UPS device that is connected to My Cloud EX2 via USB cable can detect a power loss and gracefully shut down power.
  • Network UPS: Network UPS devices can be used when there is a single UPS device and multiple My Cloud EX2 units. One My Cloud EX2 can act as a "Network UPS server" and connect to the UPS device via USB or network (depending on the device).
  • Real-time resource monitors: Provide up-to-date information on My Cloud EX2 resources, including CPU percentage, network utilization and RAM usage.
  • Volume encryption with boot-up password: Prevent unauthorized access to your data by creating a boot-up password for your drives.
  • Virtual volumes: Simplifies scalability by allowing you to map iSCSI targets on other network storage devices and present them as shares on your My Cloud EX2 device.
  • SNMP: Simple Network Management Protocol, a protocol for managing devices on a network, allows My Cloud EX2 to be used in a managed environment.

WD My Cloud EX2 Specifications

Gigabit Ethernet
Power supply (DC in)
USB 3.0 expansion port x 2
Drive bays
2 x 3.5 inch hard drive bays, hot swap capable, trayless design
1.2 GHz
512 MB DDR3
35 mm x 35 mm, 9500 RPM
System requirements
Windows8.1 or earlier, Windows 7, Windows Vista or Windows XP (SP 3) operating systems
Mac OS X Mavericks, Mountain Lion, Lionor Snow Leopard operating systems
DLNA/UPnP devices for streaming
Router with Internet connection
Supported web browsers
Internet 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 Protocols
DHCP 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 Services
OS 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
Active directory support for Windows server 2003/ 2008/ 2012
Volume encryption (256 bit AES)
File System
EXT4 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 Server
Support 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 Management
HTTP 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 Management
RAID 0,1; JBOD; spanning
RAID migration:
Hot swapping (RAID 1)
Disk roaming
Array roaming
Power Management
Drive 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 Access
My Cloud and WD Photos mobile apps
My Cloud desktop app
Web access
User/Group Management
Max 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 Management
Remote 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
System Management
Alert 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 Port
Supports UPS monitoring
Supports external storage device
Supports MTP (Media Transfer Protocol) and PTP (Picture Transfer Protocol)
Media Streaming
UPnP 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
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
Power Supply
AC input voltage: 100V to 240V AC
ACinput frequency: 50 to 60 Hz
DC output voltage: 12 VDC, 3 A
Operating Temperature: 41 to 95°F / 5 to 35°C
Non-Operating Temperature: -4 to 149°F / -20 to 65°C
Dimensions (H x W x L)
6.75 x 6.10 x 3.9" / 17.14 x 15.49 x 9.90cm
3.4 lbs (1.54 kg)
Mfr #
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