Ultimate reliability from the trusted name in storage – Built from the ground up with the quality & reliability you've come to expect from WD & backed by a two-year warranty, My Cloud EX4 is a high-performance, four-bay NAS for your home or small office. It offers a robust all-metal enclosure, multiple RAID volumes, easy drive installation & a full suite of apps for the power & flexibility to expand your NAS features. Your options are endless – Choose the diskless enclosure with easy drive install & hot swap to effortlessly add up to four drives & grow as your needs exp&. Or, choose a populated system that works right out of the box, featuring WD Red hard drives for ultimate compatibility in the unique 24x 7 NAS operating environment. Drive management & 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 & JBOD modes for even more options to manage your data. Easy to manage – A powerful dashboard & LCD display means your system is always under your control. Monitor your drives, manage users & utilize energy-saving features. Email & mobile alerts keep you informed on My Cloud EX4 status. Award-winning desktop & mobile apps – With WD's My Cloud mobile & desktop apps, you can upload, access & share your documents from anywhere. Conveniently transfer files from your public cloud accounts to the My Cloud EX4 directly from anywhere with the help of the mobile app. Powerful apps to customize your NAS – Featuring industry-leading apps, including a Mule, Icecast, Joomla!, php BB, php My Admin & Squeeze Center. Advanced Serving Options – Integrated file server, FTP server, backup server & P2P download server. Stream media to your connected devices – Stream videos & photos to connected TVs, media players, gaming consoles & other DLNA/UPn P devices. Features a Twonky 7.2 & a DLNA-certified 1.5 media server. & with the My Cloud EX4 i Tunes server, you can easily stream your music collection. 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 Smart Ware Pro offers options for how, when & 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 private cloud capacity – Simply attach a compatible USB (Universal Serial Bus) hard drive directly to one of the two USB (Universal Serial Bus) 3.0 expansion ports on My Cloud EX4 & instantly expand your storage capacity. Integrated energy-saving features – Save money on your energy bill with disk spin-down & scheduled power on/off. Your own private cloud – Unlike public clouds, My Cloud EX4 means that you can 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. Advanced features – i SCSI target, full-featured FTP services, link aggregation & failover support, jumbo frame support, i Pv 6 ready, UPS support (USB & network), real time resource monitor, volume encryption with boot-up password, SNMP & virtual volumes. ...

Ultimate reliability from the trusted name in storage – Built from the ground up with the quality & reliability youve come to expect from WD & backed by a two-year warranty, My Cloud™ EX4 is a high-performance, four-bay NAS for your home or small office. It offers a robust all-metal enclosure, multiple RAID volumes, easy drive installation & a full suite of apps for the power & flexibility to expand your NAS features. Your options are endless – Choose the diskless enclosure with easy drive install & hot swap to effortlessly add up to four drives & grow as your needs exp&. Or, choose a populated system that works right out of the box, featuring WD Red™ hard drives for ultimate compatibility in the unique 24x 7 NAS operating environment. Drive management & data protection at its best – Youre armed with multiple options to secure your data from loss. Choose RAID 0, 1, 5, 10 or select from spanning & JBOD modes for even more options to manage your data. Easy to manage – A powerful dashboard & LCD display means your system is always under your control. Monitor your drives, manage users & utilize energy-saving features. Email & mobile alerts keep you informed on My Cloud EX4 status. Award-winning desktop & mobile apps – With WDs My Cloud mobile & desktop apps, you can upload, access & share your documents from anywhere. Conveniently transfer files from your public cloud accounts to the My Cloud EX4 directly from anywhere with the help of the mobile app. Powerful apps to customize your NAS – Featuring industry-leading apps, including a Mule, Icecast, Joomla!, php BB, php My Admin & Squeeze Center. Advanced Serving Options – Integrated file server, FTP server, backup server & P2P download server. Stream media to your connected devices – Stream videos & photos to connected TVs, media players, gaming consoles & other DLNA/UPn P devices. Features a Twonky 7.2 & a DLNA-certified 1.5 media server. & with the My Cloud EX4 i Tunes server, you can easily stream your music collection. 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 Smart Ware™ Pro offers options for how, when & 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 private cloud capacity – Simply attach a compatible USB (Universal Serial Bus) hard drive directly to one of the two USB (Universal Serial Bus) 3.0 expansion ports on My Cloud EX4 & instantly expand your storage capacity. Integrated energy-saving features – Save money on your energy bill with disk spin-down & scheduled power on/off. Your own private cloud – Unlike public clouds, My Cloud EX4 means that you can 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. Advanced features – i SCSI target, full-featured FTP services, link aggregation & failover support, jumbo frame support, i Pv 6 ready, UPS support (USB & network), real time resource monitor, volume encryption with boot-up password, SNMP & virtual volumes. ...

Ultimate reliability from the trusted name in storage – Built from the ground up with the quality & reliability you've come to expect from WD & backed by a two-year warranty, My Cloud EX4 is a high-performance, four-bay NAS for your home or small office. It offers a robust all-metal enclosure, multiple RAID volumes, easy drive installation & a full suite of apps for the power & flexibility to expand your NAS features. Your options are endless – Choose the diskless enclosure with easy drive install & hot swap to effortlessly add up to four drives & grow as your needs exp&. Or, choose a populated system that works right out of the box, featuring WD Red hard drives for ultimate compatibility in the unique 24x 7 NAS operating environment. Drive management & 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 & JBOD modes for even more options to manage your data. Easy to manage – A powerful dashboard & LCD display means your system is always under your control. Monitor your drives, manage users & utilize energy-saving features. Email & mobile alerts keep you informed on My Cloud EX4 status. Award-winning desktop & mobile apps – With WD's My Cloud mobile & desktop apps, you can upload, access & share your documents from anywhere. Conveniently transfer files from your public cloud accounts to the My Cloud EX4 directly from anywhere with the help of the mobile app. Powerful apps to customize your NAS – Featuring industry-leading apps, including a Mule, Icecast, Joomla!, php BB, php My Admin & Squeeze Center. Advanced Serving Options – Integrated file server, FTP server, backup server & P2P download server. Stream media to your connected devices – Stream videos & photos to connected TVs, media players, gaming consoles & other DLNA/UPn P devices. Features a Twonky 7.2 & a DLNA-certified 1.5 media server. & with the My Cloud EX4 i Tunes server, you can easily stream your music collection. 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 Smart Ware Pro offers options for how, when & 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 private cloud capacity – Simply attach a compatible USB (Universal Serial Bus) hard drive directly to one of the two USB (Universal Serial Bus) 3.0 expansion ports on My Cloud EX4 & instantly expand your storage capacity. Integrated energy-saving features – Save money on your energy bill with disk spin-down & scheduled power on/off. Your own private cloud – Unlike public clouds, My Cloud EX4 means that you can 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. Advanced features – i SCSI target, full-featured FTP services, link aggregation & failover support, jumbo frame support, i Pv 6 ready, UPS support (USB & network), real time resource monitor, volume encryption with boot-up password, SNMP & virtual volumes. ...

WD My Cloud EX4 4 Bay Desktop NAS- Ultimate reliability from the trusted name in storage Highlights Expandable storage. Choose the diskless enclosure to add up to four drives & grow as your needs exp&. Or, choose a populated system that works right out of the box. Easy to set up, easy to manage. Effortlessly install drives or hot swap within five seconds with WD’s advanced, all-metal enclosure design. WD’s powerful dashboard means you are always in control. Extensive data protection. You’re armed with multiple options to secure your data from loss. Choose RAID 0, 1, 5, 10 or select from spanning & JBOD modes for even more options to manage your data. Features Your options are endless Choose the diskless enclosure with easy drive install & hot swap to effortlessly add up to four drives & grow as your needs exp&. Or, choose a populated system that works right out of the box, featuring WD Red hard drives for ultimate compatibility in the unique 24x 7 NAS operating environment. High-performance NAS
- Dual Ethernet & power supply ports; 512 MB memory & 2.0 GHz processor deliver reliable, blazing-fast performance for your home or small office. Drive management & 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 & JBOD modes for even more options to manage your data. Award-winning desktop & mobile apps
- With WD's My Cloud mobile & desktop apps, you can upload, access & 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 & LCD display means your system is always under your control. Monitor your drives, manage users & utilize energy-saving features. Email & mobile alerts keep you informed on My Cloud EX4 status. Powerful apps to customize your NAS
- Featuring industry-leading apps, including a Mule, Icecast, Joomla!, php BB, php My Admin & Squeeze Center. Stream media to your connected devices
- Stream videos & photos to connected TVs, media players, gaming consoles & other DLNA/UPn P devices. Features a Twonky 7.2 & a DLNA-certified 1.5 media server. & with My Cloud EX4's i Tunes server, you can easily stream your music collection. Advanced serving options
- Integrated file server, FTP server, backup server & P2P 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 Smart Ware Pro offers options for how, when & 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 (Universal Serial Bus) hard drive directly to one of the two USB (Universal Serial Bus) 3.0 expansion ports on My Cloud EX4 & instantly expand your storage capacity. Integrated energy-saving features
- Save money on your energy bill with disk spin-down & scheduled power on/off. Your own personal cloud
- Unlike public clouds, My Cloud EX4 means that you can 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. Advanced Features i SCSI target, full-featured FTP services, link aggregation & failover support, jumbo frame support, i Pv 6 ready, UPS support (USB & network), real time resource monitor, volume encryption with boot-up password, SNMP & virtual volumes. Management & Protection Speed (RAID 0)
- RAID 0 mode provides disk striping across all drives in the RAID drive group. RAID 0 does not provide data redundancy but does provide the best performance of any RAID levels. RAID 0 breaks up data into smaller segments & stripes the data segments across each drive in the drive group. Data protection (RAID 1)
- Set the system to data protection mode (also known as mirrored mode or RAID 1) & the capacity is divided in half. Half of the capacity is used to store your data & half is used for a duplicate copy. If one drive goes down your data is protected because it's duplicated. Data protection & speed (RAID 5)
- In systems with three or more drives we recommend that you set the system to RAID 5. This gives you the best of both worlds: fast performance by striping data across all drives; data protection by dedicating a quarter of each drive to fault tolerance leaving three quarters of the system capacity available for data storage. Very high reliability with high performance (RAID 10 or RAID 1+0) RAID 10 delivers very high I/O rates by striping RAID 1 (mirrored) segments. This RAID mode is good for business critical database management solutions that require maximum performance & high fault tolerance. A system set to RAID 10 yields half the total capacity of all the drives in the array. JBOD & spanning JBOD is the use of one or more drives not in a RAID configuration but managed as separate logical volumes. Spanning is the combination of drives in a linear fashion to create one large logical volume. The advantage of using this mode is that you can add more drive without having to reformat the system. Advanced Apps WDs mobile & desktop app
- Access all the content on your personal cloud from any device. My Cloud mobile app
- You are always connected to your personal cloud. Save valuable space on your mobile devices with easy photo & video uploads directly to your personal cloud, then securely access & share your memories from anywhere. Have a public cloud account?
- The My Cloud mobile app also means that you can easily transfer files between your personal cloud, Dropbox & other public cloud accounts. My Cloud desktop app
- This app keeps your PC or Mac connected to your personal cloud, no matter where you are. From the application, you can easily drag & drop to transfer, manage your files & share links to specific files or folders via email. Third party integrated apps a Mule Free peer-to-peer file sharing application that works with the EDonkey network & the Kad network. The app provides search capability for finding desired P2P files & has a full-featured P2P server/client Web UI interface. php BB One of the leading bulletin board solutions, including powerful permission systems, private messaging, search functions, a customizable template & language system, as well as support for multiple databases. Squeeze Center Streaming audio server that supports MP3, FLAC, WAV, Ogg, ACC, as well as transcoding. Stream to both hardware & software receivers as well as any media player capable of playing MP3 streams. Word Press Word Press is a free & open source blogging tool & a content management system (CMS) based on PHP & My SQL. Create your own WD My Cloud EX4 based customized Blog that can be accessed & commented on from any internet connection. Dashboard cloud access Your system is always under your control. Manage My Cloud EX4 from anywhere with WD's powerful dashboard & LCD display. Monitor your drives, manage users & utilize energy-saving features. Email & mobile alerts keep you informed on My Cloud EX4 status. Icecast Open source media streaming app that can be modified to suit your individual needs. Joomla! Content Management System (CMS) that facilitates easy management of your website text, photos, videos, music & documents. php My Admin Handles the administration of My SQL via web with ability to create & drop databases; create, drop, or alter tables; delete, edit or add fields; execute any SQL statement & manage keys on fields. Transmission Transmission is one of the best choices for a Bit Torrent client, being both extremely lightweight & feature-packed. Transmission's interface is easy to use, yet very powerful, especially when it comes to managing bandwidth. Are you a developer that is interested in porting your app to My Cloud EX4? Interested in developing or porting your app to work with My Cloud EX4? Contact us at Developer@wdc.com to get more details. Advanced Features My Cloud EX4 comes complete with a full suite of advanced features to power your home or office. Volume virtualization using i SCSI targets
- Manage storage over long distances & transfer data over LANs, WANs or the Internet by creating a Storage Area Network (SAN). My Cloud EX4 means that you can create & manage i SCSI targets, similar to a local hard disk drive, that is accessed over a network rather than locally. The i SCSI target is protected by the underlying RAID structure of the My Cloud EX4 server. Jumbo frame support
- My Cloud EX4 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. Link aggregation & failover support
- Combine multiple network connections to increase data transfer past a single connection & provide redundancy in the event of a failed connection. This is also known as bonding, & refers to the use of two LAN NICs present in your NAS & two cables connected to your router simultaneously, improving reliability. i Pv 6 ready
- Supports the latest revision of the Internet Protocol. UPS support (USB & network)
- Provides extra protection from loss of power via USB (Universal Serial Bus) or network. USB (Universal Serial Bus) UPS: A supported UPS device that is connected to My Cloud EX4 via USB (Universal Serial Bus) cable can detect a power loss & gracefully shut down power. UPS devices that have been tested to work with My Cloud EX4 can be found here. Network UPS: Network UPS devices can be used when there is a single UPS device & multiple My Cloud EX4 units. One My Cloud EX4 can act as a " Network UPS server" & connect to the UPS device via USB (Universal Serial Bus) or network (depending on the device). The network UPS server obtains UPS information & relays it to the other “client" My Cloud EX4. Network UPS devices that have been tested to work with My Cloud EX4 can be found here. SNMP
- Simple Network Management Protocol, a protocol for managing devices on a network, allows My Cloud EX4 to be used in a managed environment. IT administrators who need to monitor multiple network devices, including My Cloud EX4 via SNMP should download the document available here. Real-time resource monitors
- Provide up-to-date information on My Cloud EX4 resources, including CPU percentage, network utilization & 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 i SCSI targets on other network storage devices & present them as shares on your My Cloud EX4 device. Advanced Backup My Cloud EX4 provides multiple options to secure your data from loss. Elephant Drive
- Elephant Drive is a premium cloud-based backup, sync & sharing solution platform. With simple, fast & reliable protection for all of your important files, Elephant Drive is the perfect solution for users at any level. Elephant Drive's software runs on all personal devices (laptops, desktops, smartphones, etc.) as well as natively on NAS devices, where it is the leading solution in the space. Amazon S3
- Amazon S3 Backup & Restore feature means that you can back up data directly to your Amazon S3 account. Amazon S3 gives you peace of mind when used as an offsite backup, should anything happen to the data stored on your My Cloud EX4. Business-Ready
- My Cloud EX4 comes complete with business-ready features for your office. User management/group management
- Give users access to My Cloud EX4. Easily create groups & give individual access to those groups. User/group"as
- Manage the amount of storage users/groups have access to. Microsoft Active Directory support (2003/2008/2012)
- Take advantage of centralized account management to reduce overhead & IT spending. Add My Cloud EX4 to your Active Directory (AD) server for simplified & centralized management, as well as easy access for employees with one set of domain accounts. Employees can use a single account to access various services with ease. Distributed File System (DFS)
- Connect My Cloud EX4 to a Microsoft server using DFS SMB file shares. Energy-Saving Features Disk spin-down
- Set disk spin-down after as little as 10 minutes, saving runtime energy. Wake-on-LAN
- Use WD Quick View to wake My Cloud EX4 without having to physically push a button. Automatic power recovery
- This feature automatically restarts the My Cloud EX4 from an unexpected power-failure shutdown. Scheduled power on/off
- Set your own customized schedule to power on your My Cloud EX4 on a daily basis to save power when not in use. Advanced Serving File server
- Serves as a shared space for PC & Mac computer files. FTP server
- Fully featured FTP server to manage the transfer of files from My Cloud EX4 to a client with the following capabilities: FTP bandwidth restriction (upstream/downstream) IP address block (block access from undesired IP address) IP address block time limits Anonymous FTP Secure FTP support Support File e Xchange Protocol (FXP) P2P download server
- Utilize popular Peer-2-Peer services to download torrents. Http download server
- The built in HTTP download server means that you can download files directly from the web to My Cloud EX4. Back up server
- The My Cloud EX4 back up server is designed with flexibility in mind. Designate a back up to or from a connected USB (Universal Serial Bus) drive or internal volumes.










































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High-performance NASDual Ethernet & power supply ports; 512 MB memory & 2.0 GHz processor deliver reliable, blazing-fast performance for your home or small office. Drive management & 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 & JBOD modes for even more options to manage your data. Award-winning desktop & mobile apps With WD's My Cloud mobile & desktop apps, you can upload, access & 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 & LCD display means your system is always under your control. Monitor your drives, manage users & utilize energy-saving features. Email & mobile alerts keep you informed on My Cloud EX4 status. Powerful apps to customize your NASFeaturing industry-leading apps, including a Mule, Icecast, Joomla!, php BB, php My Admin & Squeeze Center. Stream media to your connected devices Stream videos & photos to connected TVs, media players, gaming consoles & other DLNA/UPn P devices. Features a Twonky 7.2 & a DLNA-certified 1.5 media server. & with My Cloud EX4's i Tunes server, you can easily stream your music collection. Advanced serving options Integrated file server, FTP server, backup server & P2P 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 Smart Ware Pro offers options for how, when & 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 (Universal Serial Bus) hard drive directly to one of the two USB (Universal Serial Bus) 3.0 expansion ports on My Cloud EX4 & instantly expand your storage capacity. Integrated energy-saving features Save money on your energy bill with disk spin-down & scheduled power on/off. Your own personal cloud Unlike public clouds, My Cloud EX4 means that you can 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 Expert Series EX4100 16TB 4-Bay Nas Product Specifications Average latency N/A Average read seek N/A Battery Yes Cache/ Buffer N/A Data transfer rate N/A Disk Capacity 16TB Drive Bays 4 Interfaces "USB 3.0 x 3 (one in front, two on the back) Gigabit Ethernet" Memory 2 GB DDR3 Processor ARM Dual Core 1.6 GHz Rotational Speed N/A Tape Drive N/A Write Speed N/A Product

Dimensions Length 9.13 in (232 mm) Width 6.69 in (170 mm) Height 7.56 in (192 mm) Weight 16 TB 13.51 lb (6.13 kg) Colors available Black Country Code / Origin Product of Thailand or Malaysia Environmental Specifications Operating Temperature 5° C to 35° C (41° F to 95° F) Non-op Temperature -20° C to 65° C (-4° F to 149° F) Operating relative humidity 8% to 90% Non-operating relative humidity 5% to 95% Power Specifications AC input voltage (AC adapter) 100-240 VAC AC input frequency 50“60 Hz Output 19 V/ 4.74 A Languages for software 18 English Chinese, Simplified Chinese, Traditional Czech Dutch French German Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Spanish Swedish Turkish Languages for User Manual 25 English Arabic Chinese, Simplified Chinese, Traditional Czech Danish Dutch Finnish French German Greek Hungarian Indonesian (Bahasa) Italian Japanese Korean Norwegian Polish Portuguese Romanian Russian Slovakian Spanish Swedish Turkish Licenses Included WD Smartware Pro 10 Limited Warranty Pre-Configured NAS (Populated SKUs) 3 years Diskless NAS (Unpopulated SKUs) 2 years Previous Product Model Product Name N/A Ref Order Number N/A Regulatory NRCAN compliant Yes Ro HS compliant Yes

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WD My Cloud Expert Series EX4100 0TB 4-Bay Nas Product Specifications Average latency N/A Average read seek N/A Battery Yes Cache/ Buffer N/A Data transfer rate N/A Disk Capacity 0 TB Drive Bays 4 Interfaces "USB 3.0 x 3 (one in front, two on the back) Gigabit Ethernet" Memory 2 GB DDR3 Processor ARM Dual Core 1.6 GHz Rotational Speed N/A Tape Drive N/A Write Speed N/A Product

Dimensions Length 9.13 in (232 mm) Width 6.69 in (170 mm) Height 7.56 in (192 mm) Weight 0 TB 7.54 lb (3.42 kg) Colors available Black Country Code / Origin Product of Thailand or Malaysia Environmental Specifications Operating Temperature 5° C to 35° C (41° F to 95° F) Non-op Temperature -20° C to 65° C (-4° F to 149° F) Operating relative humidity 8% to 90% Non-operating relative humidity 5% to 95% Power Specifications AC input voltage (AC adapter) 100-240 VAC AC input frequency 50“60 Hz Output 19 V/ 4.74 A Languages for software 18 English Chinese, Simplified Chinese, Traditional Czech Dutch French German Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Spanish Swedish Turkish Languages for User Manual 25 English Arabic Chinese, Simplified Chinese, Traditional Czech Danish Dutch Finnish French German Greek Hungarian Indonesian (Bahasa) Italian Japanese Korean Norwegian Polish Portuguese Romanian Russian Slovakian Spanish Swedish Turkish Licenses Included WD Smartware Pro 10 Limited Warranty Pre-Configured NAS (Populated SKUs) 3 years Diskless NAS (Unpopulated SKUs) 2 years Previous Product Model Product Name N/A Ref Order Number N/A Regulatory NRCAN compliant Yes Ro HS compliant Yes

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WD My Cloud Expert Series EX4100 8TB 4-Bay Nas Product Specifications Average latency N/A Average read seek N/A Battery Yes Cache/ Buffer N/A Data transfer rate N/A Disk Capacity 8 TB Drive Bays 4 Interfaces "USB 3.0 x 3 (one in front, two on the back) Gigabit Ethernet" Memory 2 GB DDR3 Processor ARM Dual Core 1.6 GHz Rotational Speed N/A Tape Drive N/A Write Speed N/A Product

Dimensions Length 9.13 in (232 mm) Width 6.69 in (170 mm) Height 7.56 in (192 mm) Weight 8 TB 10.52 lb (4.77 kg) Colors available Black Country Code / Origin Product of Thailand or Malaysia Environmental Specifications Operating Temperature 5° C to 35° C (41° F to 95° F) Non-op Temperature -20° C to 65° C (-4° F to 149° F) Operating relative humidity 8% to 90% Non-operating relative humidity 5% to 95% Power Specifications AC input voltage (AC adapter) 100-240 VAC AC input frequency 50“60 Hz Output 19 V/ 4.74 A Languages for software 18 English Chinese, Simplified Chinese, Traditional Czech Dutch French German Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Spanish Swedish Turkish Languages for User Manual 25 English Arabic Chinese, Simplified Chinese, Traditional Czech Danish Dutch Finnish French German Greek Hungarian Indonesian (Bahasa) Italian Japanese Korean Norwegian Polish Portuguese Romanian Russian Slovakian Spanish Swedish Turkish Licenses Included WD Smartware Pro 10 Limited Warranty Pre-Configured NAS (Populated SKUs) 3 years Diskless NAS (Unpopulated SKUs) 2 years Previous Product Model Product Name N/A Ref Order Number N/A Regulatory NRCAN compliant Yes Ro HS compliant Yes

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Finally, a cloud of your own. Save everything in one place with twice the data protection & access it anywhere from computers, tablets & smartphones. Your media & files on your own personal cloud – Unlike a public cloud, My Cloud Mirror means that you can keep all your content in one safe place on your home network instead of a remote server. No mysterious location of your data. No monthly fees. No limits. Just blazing-fast, dual-drive performance for your high-speed digital life. Centralized, dual-drive storage your family's media collection – Store & organize all your family's photos, videos, music & important documents in one secure place on your home network. Access from anywhere – Enjoy your photos, videos, music & more from anywhere on your PC, Mac, tablet or smartphone. With WD's free apps, your personal cloud is always with you. Mirrored data protection – With Mirror Mode (RAID 1) as the default setting, one drive is used to store your data & the other is used for a duplicate copy. Your data is twice as safe, giving you twice the peace of mind. Automatic file backup for all your computers – Easily back up the files from all the PC & Mac computers in your home. PC users, WD Smart Ware™ Pro offers options for how, when & where you back up your files. Mac users, utilize all the features of Apple Time Machine backup software to protect your data. Remote backup – Protect your data with remote backup to another My Cloud Mirror, integrated cloud backup or local LAN/WAN backup. Drive management & data protection at its best – With multiple options to secure your data, it's easy to choose what's right for you. Use the default Mirror Mode (RAID 1) for twice the protection. Or choose RAID 0, spanning or JBOD modes for maximum capacity. Expand your tablet & phone storage – Upload photos & videos directly to your personal cloud from anywhere. Connect to Dropbox & more – Easily transfer files between your personal cloud, Dropbox & other public cloud accounts using WD's free My Cloud mobile apps. Increase your personal cloud capacity – Simply attach a compatible USB (Universal Serial Bus) 3.0 hard drive directly to one of the two USB (Universal Serial Bus) expansion ports on the My Cloud Mirror drive & instantly expand your storage capacity. Transfer & stream faster – Gigabit Ethernet & 1.2 GHz processor deliver faster file transfers & high-speed streaming. Unleash your media – Seamlessly stream your videos, photos & music to your connected TVs, media players, gaming consoles & other DLNA-certified devices. With My Cloud Mirror's i Tunes server, you can easily stream your music collection to any PC or Mac computer with i Tunes. Password protection for privacy – Your data is always safe & completely under your control. Protect your personal cloud from unauthorized access with password protection available for every user. Set up in minutes – Get up & running in minutes with WD's rich web-based user interface for seamless web-guided setup. WD's software will auto-detect your drive to make it easy. Need extra help? Visit wd.com/setup/wdmycloudmirror for help with the installation of My Cloud Mirror & WD's free apps for your computers & mobile devices. My Cloud personal cloud storage products work concurrently with multiple operating systems including Mac OS, Win 8, i OS & Android with mobile apps. ...

Finally, a cloud of your own. Save everything in one place with twice the data protection & access it anywhere from computers, tablets & smartphones. Your media & files on your own personal cloud – Unlike a public cloud, My Cloud Mirror means that you can keep all your content in one safe place on your home network instead of a remote server. No mysterious location of your data. No monthly fees. No limits. Just blazing-fast, dual-drive performance for your high-speed digital life. Centralized, dual-drive storage your family's media collection – Store & organize all your family's photos, videos, music & important documents in one secure place on your home network. Access from anywhere – Enjoy your photos, videos, music & more from anywhere on your PC, Mac, tablet or smartphone. With WD's free apps, your personal cloud is always with you. Mirrored data protection – With Mirror Mode (RAID 1) as the default setting, one drive is used to store your data & the other is used for a duplicate copy. Your data is twice as safe, giving you twice the peace of mind. Automatic file backup for all your computers – Easily back up the files from all the PC & Mac computers in your home. PC users, WD Smart Ware™ Pro offers options for how, when & where you back up your files. Mac users, utilize all the features of Apple Time Machine backup software to protect your data. Remote backup – Protect your data with remote backup to another My Cloud Mirror, integrated cloud backup or local LAN/WAN backup. Drive management & data protection at its best – With multiple options to secure your data, it's easy to choose what's right for you. Use the default Mirror Mode (RAID 1) for twice the protection. Or choose RAID 0, spanning or JBOD modes for maximum capacity. Expand your tablet & phone storage – Upload photos & videos directly to your personal cloud from anywhere. Connect to Dropbox & more – Easily transfer files between your personal cloud, Dropbox & other public cloud accounts using WD's free My Cloud mobile apps. Increase your personal cloud capacity – Simply attach a compatible USB (Universal Serial Bus) 3.0 hard drive directly to one of the two USB (Universal Serial Bus) expansion ports on the My Cloud Mirror drive & instantly expand your storage capacity. Transfer & stream faster – Gigabit Ethernet & 1.2 GHz processor deliver faster file transfers & high-speed streaming. Unleash your media – Seamlessly stream your videos, photos & music to your connected TVs, media players, gaming consoles & other DLNA-certified devices. With My Cloud Mirror's i Tunes server, you can easily stream your music collection to any PC or Mac computer with i Tunes. Password protection for privacy – Your data is always safe & completely under your control. Protect your personal cloud from unauthorized access with password protection available for every user. Set up in minutes – Get up & running in minutes with WD's rich web-based user interface for seamless web-guided setup. WD's software will auto-detect your drive to make it easy. Need extra help? Visit wd.com/setup/wdmycloudmirror for help with the installation of My Cloud Mirror & WD's free apps for your computers & mobile devices. My Cloud personal cloud storage products work concurrently with multiple operating systems including Mac OS, Win 8, i OS & Android with mobile apps. ...