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WD Sentinel DX4000 4TB Small Business Network File Storage Server NAS 1 of 9
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Learn more about WD Sentinel DX4000 4TB Small Business Network File Storage Server NAS:

Sku: 225278233
UPC: 718037778945
UPC 14: 00718037778945
Sales Rank: 32213
See more in Accessories
Whether you're an IT expert or not, WD Sentinel is easy to install and provides secure centralized storage, complete data protection, and remote file access for your employees and trusted vendors while in the office or from anywhere.

Plug-and-play installation
The easy set up process allows you to integrate WD Sentinel into your office network like a pro. The administration dashboard quickly guides you through the process including adding users, setting up user access, creating public or private shares, and scheduling backups.

Easy maintenance
Replacing one of the pre-installed drives is as easy as changing a lightbulb. Just open the door and swap out the drives. WD Sentinel does the rest. It seamlesslymigrates the server to the appropriate RAID level and automatically expands the server's storage capacity. Your users can still access their business data while the drive is being integrated. No data loss. No down time.

Comprehensive data protection for your entire office has never been easier.
  • The drives inside: Pre-configured with WD's enterprise-class drives for durability and reliability.
  • RAID: Featuring levels 1/5 for data protection and speed.
  • Automatic backup and restore: The software saves time and space by performing a full backup the first time and then automatically backing up only the files that have changed since the previous backup. In the event of a drive failure, WD Sentinel's easy restore function finds your files, restores them to their previous location and gets you up and running again quickly.
  • Dual Ethernet ports: Comes configured in Adaptive Fault Tolerance, which keeps your network available by automatically switching to the second Ethernet port if the first one should fail.
  • Optional dual power supply: WD Sentinel DX4000 offers the small business owner the option of adding a second power supply that will take over should a power surge or other failure damage the first power supply. With the optional second power supply you have the added peace of mind knowing that your system will remain operational.
  • Optional off-site disaster recovery protection:Choose the disaster recovery solution that works for your small business – local USB drive or backup to a cloud.

    Secure remote access
    WD Sentinel is perfect for businesses with employees working in satellite or home offices because you have the security of knowing all your business files are safely stored in one place and remote employees can access them from any computer with an Internet connection. WD Sentinel also performs automatic daily backups so all of the files on all the computers in your network are backed up and protected.

    Leading-edge performance
    With dual Gigabit Ethernet connectivity, WD Sentinel DX4000 delivers read speeds up to 85MB/s through the Gigabit Ethernet interface. That's threetimes faster than most network drives in this category today. For maximum flexibility there are also two SuperSpeed USB 3.0 ports to allow you to connect additional storage devices and experience up to 5Gb/s transfer rates.

    A total solution with industry-leading technology partnersWe combined hardware and software from industry leaders to deliver a reliable, secure and easy-to-manage storage server designed specifically for small office environments. WD Sentinel features:
  • WD enterprise-class hard drives – Equipped with WD's Enterprise Class RAID Edition drives (2TB and 3TB) that feature high capacity storage, peak performance and enterprise-class reliability.
  • Intel® Atom® processor – Built with the latest Intel Atom dual core processor inside, WD Sentinel DX4000 can easily handle your small business's day-to-day computing and file storage demands.
  • Windows® Storage Server 2008 R2 Essentials – The tested Microsoft Windows Storage Server 2008 R2 Essentials operating system provides the cost effective, reliable, and scalable storage solution your small business needs to quickly and efficiently organize, protect, and share your critical business data using the familiar Windows user experience.

    LCD Display panel readily offers critical information
    The LCD display panel on the front of the device allows you to monitor the system status and critical alerts. Realtime system status through the administration dashboard View realtime updates for drive, RAID, and network status through WD Sentinel's dashboard, which includes easy-to-use task wizards to help you set backup schedules, administer user accounts, and manage public and private shares.

    Compatible with multiple operating systems
    Offers connector software support for Windows XP, Windows Vista®, and Windows 7. Also compatible with Mac OS® X Leopard® or Mac OS® Snow Leopard®. This cross-platform compatibility enables file sharing among Windows, Mac and Unix/Linux operating systems.

    Stream digital media anywhere in your network
    With the built-in DLNA media server your employees can access any shared media libraries on the network rather than maintaining copies on their individual computers. You can also stream digital content like videos, music, or digital signage for employees, vendors or clients using remote web access.

    WD Guardianstandard support
    Western Digital offers standard customer support and warranty to all WD Sentinel owners. WD Guardian Services provide additional support and warranty options for small business customers. Choose from various technical support plans and extended warranty services that work best for your business. Visit for details.

    Why WD?
    Western Digital has been making hard drives for over 40 years. We know how to build drives to store and protect your data because we understand that your company's data is paramount to your business success.

    Ideal For:
  • Creating a secure small office network for up to 25 computers.
  • Protecting your critical business data with comprehensive data protection – WD drives, RAID, automatic backup, dual Ethernet ports, optional power supply and optional disaster recovery
  • Setting up automatic backups for up to 25 computers
  • Restoring files to their previous location in the event of a system failure
  • Providing secure remote access to satellite offices and employees who work remotely
  • Offering cross platform file sharing with Windows®, Mac®, and Linux operating systems
  • Connecting and powering through your USB interface
  • Tech Specs

    Tech Specs Capacity
    Tech Specs Capacity: 4 TB

    Tech Specs System Requirements
    Tech Specs Internet connection (for system updates and web access)
    Tech Specs Wired or wireless router with an available 10/100/1000 Ethernet port

    Tech Specs Connectivity
    Tech Specs 2 Gigabit Ethernet ports
    Tech Specs 2 USB 3.0 ports

    Tech Specs CPU
    Tech Specs Intel AtomTM D525 1.8 GHz Dual Core
    Tech Specs 2 GB RAM

    Tech Specs Server Operating System
    Tech Specs Windows Storage Server 2008 R2 Essentials

    Tech Specs Supported Client Operating Systems
    Tech Specs Windows XP with service pack 3, 32-bit versions only
    Tech Specs Windows Vista with service pack 2, all 32-bit and 64-bit platforms
    Tech Specs Windows 7, all 32-bit and 64-bit platforms
    Tech Specs File sharing support for Mac OS X 10.5.x, Mac OS X 10.6.x, Linux/Unix

    Tech Specs Supported Web Browsers
    Tech Specs Internet Explorer
    Tech Specs Apple Safari
    Tech Specs Mozilla Firefox
    Tech Specs Google Chrome

    Tech Specs Network Authentication
    Tech Specs Active Directory

    Tech Specs Network protocols
    Tech Specs CIFS, NFS, HTTP, HTTPS, FTP, WebDAV

    Tech Specs File Sharing Protocols
    Tech Specs CIFS/SMB, NFS, FTP, WebDAV

    Tech Specs RAID Levels
    Tech Specs RAID 1 (2 drives only) and RAID 5 (3-4 drives)
    Tech Specs Automatic migration and capacity expansion

    Tech Specs Physical Dimensions
    Tech Specs Height: 8.1 Inches
    Tech Specs Depth: 8.80 Inches
    Tech Specs Width: 6.30 Inches
    Tech Specs Weight: 10.76 Pounds

    Tech Specs Environmental Specifications
    Tech Specs Operating: 41° F to 95° F
    Tech Specs Non-operating: -40° F to 149° F

    Tech Specs Electrical Specifications
    Tech Specs AC Input Voltage: 100-240 VAC
    Tech Specs AC Input Frequency: 50-60 Hz
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