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Storage arrow NAS Desktop arrow WD My Cloud EX4
Intuos5 Medium Pen & TouchDragon Naturally Speaking 12 Professional Edition

WD My Cloud EX4

( Seagate )
Price: $421

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Your options are endless

Choose the diskless enclosure with easy drive install and hot swap to effortlessly add up to four drives and grow as your needs expand. Or, choose a populated system that works right out of the box, featuring WD Red hard drives for ultimate compatibility in the unique 24x7 NAS operating environment.


High-performance NAS

Dual Ethernet and power supply ports; 512 MB memory and 2.0 GHz processor deliver reliable, blazing-fast performance for your home or small office.

Drive management and data protection at its best

You're armed with multiple options to secure your data from loss. Choose RAID 0, 1, 5, 10 or select from spanning and JBOD modes for even more options to manage your data.


Award-winning desktop and mobile apps

With WD's My Cloud mobile and desktop apps, you can upload, access and share your documents from anywhere. Conveniently transfer files from your public cloud accounts to My Cloud EX4 directly from anywhere with the help of the mobile app.


Easy to manage

A powerful dashboard and LCD display 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 EX4 status.

Powerful apps to customize your NAS

Featuring industry-leading apps, including aMule, Icecast, Joomla!, phpBB, phpMyAdmin and SqueezeCenter.


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 and a DLNA-certified 1.5 media server. And with My Cloud EX4's iTunes server, you can easily stream your music collection.alt

Advanced serving options

Integrated file server, FTP server, backup server and P2P torrent download server.


Back up, your way

Protect your data with remote backup to another My Cloud EX4, integrated cloud backup or local LAN/WAN backup. PC users, WD SmartWare Pro offers options for how, when and where you back up your files for up to ten computers. Mac users, utilize all the features of Apple Time Machine backup software to protect your data.


Increase your personal cloud capacity

Simply attach a compatible USB hard drive directly to one of the two USB 3.0 expansion ports on My Cloud EX4 and instantly expand your storage capacity.


Integrated energy-saving features

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

Advanced features

iSCSI target, full-featured FTP services, link aggregation and failover support, jumbo frame support, 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 EX4 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.



Model #InterfaceCapacityOperating System
WDBWWD0160KBK Gigabit Ethernet x2, USB 3.0 x2 16 TB Windows/ Mac
WDBWWD0120KBK Gigabit Ethernet x2, USB 3.0 x2 12 TB Windows/ Mac
WDBWWD0080KBK Gigabit Ethernet x2, USB 3.0 x2 8 TB Windows/ Mac
WDBWWD0000NBK Gigabit Ethernet x2, USB 3.0 x2 0 TB Windows/ Mac


  • Windows 8.1 or earlier, Windows 7, Windows Vista, Windows XP (SP3) operating system; Mac OS X Mavericks, Mountain Lion, Lion and Snow Leopard operating systems; DLNA/UPnP devices for streaming; Internet connection for remote access.

Package Includes

  • Four-bay personal cloud storage
  • Ethernet cable
  • Power supply and cable
  • Quick Install Guide
Product Specifications
Interface Gigabit Ethernet x2, USB 3.0 x2
Physical Specifications
Capacity 0TB, 8TB, 12TB, 16 TB
Physical Dimensions
Height 8.21 Inches
Depth 8.67 Inches
Width 6.30 Inches
Weight 13.80 Pounds
Height 208.60 mm
Depth 220.20 mm
Width 160.1 mm
Weight 6.20 kg
Environmental Specifications
Temperature (English)
Operating 32° F to 95° F
Non-operating -40° F to 158° F
Temperature (Metric)
Operating -0° C to 35° C
Non-operating -40° C to 70° C
Electrical Specifications
Current Requirements
Power Dissipation
AC Input Voltage 100-240 VAC
AC Input Frequency 50-60 Hz
Operating System
Compatibility Windows/Mac

As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, megabit per second (Mb/s) = one million bits per second, and gigabit per second (Gb/s) = one billion bits per second.


Last Updated: Thursday, 09 April 2020 05:21

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