QNAP HS-251 2-Bay Fanless Home and SOHO NAS Server

QNAP HS-251 2-Bay Fanless Home and SOHO NAS Server

QNAP HS-251 2-Bay Fanless Home and SOHO NAS Server

B&H # QNHS251 MFR # HS-251+-US
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Expected availability: 7-14 business days

Product Highlights

  • Designed for Audio & Video Enthusiasts
  • Fanless Design
  • Full HD Video Transcoding & Playback
  • 2 x 3.5" or 2.5" Drive Bays
  • 2.41 GHz Intel Celeron Dual-Core CPU
  • 2 x USB 3.0 Ports & 2 x USB 2.0 Ports
  • 2 x Gigabit Ethernet / Wake on LAN
  • RAID 0,1, and JBOD
  • Windows, Mac, Linux, & UNIX Compatible
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This item is noncancelable and nonreturnable

$0.00 Tax Collected Outside NY and NJ

You Pay: $429.00

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QNAP HS-251 overview

  • 1Description

The HS-251 2-Bay Fanless Home and SOHO NAS Server from QNAP allows users to enjoy files and media without the distraction of fan noise. Compatible with Windows XP and Server 2003 onward, Mac OS X, Linux, and Unix, the HS-251 features 1GB of DDR3L RAM and is designed for home theater enthusiasts, audiophiles looking to maximize their experience, and users who wish to constantly run their systems. Being fanless, the HS-251 has no internal moving parts for improved reliability. Whether you want to use this NAS solution for music cataloging, photo archiving, video storage, data backup, live surveillance, or signage creation and presentation, the HS-251 helps to ensure a flexible private cloud user experience thanks to an intuitive user interface, large storage capacity, and access to a variety of useful apps.

Created for living room usage, the HS-251 features a 2.41 GHz Intel Celeron Dual-Core processor with a burst speed up to 2.58 GHz. It also has HDMI connectivity, supports Full HD 1080p video playback, and offers hardware accelerated transcoding, which allows mobile devices access to media with optimized resolutions while saving their local storage space.

For peripherals and a wired network connection, this NAS also features dual USB 3.0 ports, dual USB 2.0 ports, and dual Gigabit Ethernet jacks that support LAN connectivity. The HS-251 comes with no hard drives installed, but its two hot-swappable drive bays are compatible with a variety of 3.5" or 2.5" NAS hard drives or SSDs. Other features include 7.1-channel surround sound audio passthrough, file syncing across computers and mobile devices, access to Qnaps's App Center, and a digital notepad function that lets you securely take notes and share ideas on your private cloud. There is also integrated support for JBOD, as well as RAID 0 and 1.

The HS-215 operates on 100-240 VAC and includes 2 x Ethernet cables, a power cord, an AC adapter, 6 x 2.5" HDD flat head screws, and 8 x 3.5" HDD flat head screws.

Modern & Stylish
Created for the living room with a fanless architecture, the HS-251 features a modern set-top design that fits alongside your HDTV, game consoles, and other elements of your digital lifestyle. Underneath the brushed metal aluminum body, the HS-251 is packed full of features & apps to provide day-to-day entertainment, storage, and backup needs. The HS-251 is easy to use and maintain. With its accessible layout, adding and removing drives is a user-friendly process
QTS User Interface
Powered by QNAP's QTS user interface, browsing the HS-251's wide range of features has never been easier. Featuring a multi-window operation with a familiar user interface, QTS makes controlling each aspect of your HS-251 - from system operations to multimedia features - fully accessible and easy to use. QTS enables you to:

  • Centralize your data, files and backups
  • Sync files across computers, tablets and mobile devices, and share files across different groups and communities
  • Collect, enjoy and share your large photo, music, and video collections
  • Stream HD movies & family videos to various network players
  • Access, manage, and enjoy all your files with your tablets & smartphones
  • Expand the functionality of the HS-251 by installing more than 100 apps on demand from the QNAP App Center
  • Media Center and Anywhere Access
    From enjoying your media on HDTVs, smartphones, and tablets to syncing files between different computers and mobile devices, the HS-251 can be depended on to be the cornerstone of all your home digital needs and becomes your personal cloud so you are connected to your data. Take advantage of the myQNAPcloud service, which allows you to remotely access your HS-251 wherever you are. Instantly stream or share your multimedia contents and share them with your friends
    Real-Time & Offline HD Video Transcoding
    The HS-251 is a video storage center for you to store your movies & home video collection. Powered by a 2.41 GHz Intel Celeron Dual-Core processor and 1GB DDR3L RAM, the HS-251 delivers on-the-fly Full HD video transcoding to convert your videos to formats that can be smoothly played on PCs, mobile devices, and Smart TVs. It allows multiple devices to simultaneously view different videos stored on the HS-251. The HS-251 allows enjoying videos on multiple devices even those which lack computing power and have limited file format support without requiring complicated and time-consuming file conversions.

    With the HS-251's offline transcoding support, if you can only connect to the Internet with limited bandwidth, you can still enjoy smooth videos by selecting a lower resolution to play the videos via File Station, Video Station, or the Qfile app for iOS & Android without affecting the HS-251's performance running other applications
    HD Station & HDMI-Out
    QNAP HD Station integrates the XBMC v12 media player and web browser. With HDMI connectivity, you can connect the HS-251 to an HDTV or a Hi-Fi amplifier to enjoy your multimedia content with the best audiovisual experience. The user interface and support for 7.1 channel surround sound audio passthrough, coupled with the media transcoding capability of the HS-251, delivers playback of Full HD videos for a quality home theater experience. You can also turn your mobile devices into remote controls by installing the Qremote app or use MCE remote controls via the built-in IR receiver of the HS-251. Moreover, the HD Station supports YouTube Pairing, allowing you to select a YouTube video on your smartphone, tablet or computer and play it on HDTV via the HS-251.

    Please bear in mind that a receiver with HDMI support is required for decoding multi-channel surround sound. Also, the quality of video and music delivery can vary according to hardware and network environments
    Photo Station
    The HS-251 acts as your photo vault for you to back up your favorite photos. The Photo Station makes photo sharing simple and you can designate your own access rights controls. Simply upload your photos to the HS-251 to create & organize your photo albums through a web browser and share with your family and friends through social networking sites such as Facebook, Google+, Twitter, and Pinterest. Your mobile devices are useful too, allowing you to instantly upload photos to the HS-251 with the Qfile mobile app available on iOS or Android devices. Now, you can just take as many photos as you want and trust your precious photo collections with the HS-251
    Music Station
    The Music Station helps categorize your music collection and displays album covers to organize your personal playlists. Through the Music Station, you can enjoy your music virtually anywhere and anytime with a few clicks. Thousands of local & global online Internet radio stations are built-into Music Station for you to enjoy as well.

  • Stream music and high-resolution audio (DSD) content to your DLNA Hi-Fi system and indulge in a high-quality sound experience
  • Stream music via AirPlay to compatible devices
  • Listen to your music on mobile devices through the Qmusic app
  • Back Up & Protect Your Data
    The high performance & cross-platform compatibility of the HS-251 allows you to centralize and protect your important data with a range of backup options. Time Machine is fully supported to help Mac OS X users create a more efficient and convenient backup solution. The HS-251 works with Time Machine wirelessly over the same network so you no longer need an external drive. QNAP NetBak Replicator is QNAP's license-free backup software that allows you to back up your files from multiple Windows PCs in real time or via schedule. You can also gain a disaster recovery solution with the RTRR (Real Time Remote Replication) feature by replicating data in multiple shared folders from one NAS to another NAS over the network to help ensure the safety of your important data. Your data can also be easily backed up to a FTP server, external disk, or to online cloud storage services
    File Sync Across Computers & Mobile Devices
    With Qsync, your HS-251 is turned into a safe data center for file synchronization. Any file uploaded to the HS-251 will be made available for all linked devices including computers, laptops, and mobile devices. Qsync is especially useful for frequent travelers in managing files and ensuring that different devices have the most up-to-date files. Qsync provides multiple ways of file synchronization and group file sharing, greatly enhancing the flexibility of team projects and collaboration
    FanlessThermal Design and Power Efficiency
    Instead of a fan, the HS-251 features a thermal design that intelligently dissipates heat, allowing a sleek, modern design to be created, without the bulk of a conventional NAS system. This thermal design helps keep the HS-251 running smoothly even under the heavy loads. The HS-251 is also eco-friendly, with power saving features including hard disk standby when not in use, and power management scheduling options
    24/7 Download Center
    The HS-251 is a perfect download center for high speed BT, Magnet, PT (Private Trackers), eMule, FTP, and HTTP downloads. After the download tasks are set, you can turn off your computer, and the HS-251 will continue downloading as many HD videos as you want. With the QGet utility, you can manage your download tasks on multiple NAS devices remotely over local networks or the Internet
    Surveillance Station
    The HS-251 provides a professional Surveillance Station to view IP cameras from your web browser and mobile devices. With the user-friendly interface and the expandable IP camera channel licenses, the Surveillance Station builds a professional surveillance center for you to safeguard your property and valuables. The HS-251 also supports UVC-compliant (USB Video Class) USB webcams, allowing users to use the Surveillance Station to record & playback videos and build a budget-saving surveillance system for home environments by installing the QUSBcam app from the QNAP App Center
    Notes Station
    The Notes Station provides a private and secure way to share and collaborate on digital notes. With just a few steps, it's easy to create notes from web pages or by importing from HS-251, edit with the web editor, and even create to-do lists and calendar alerts
    Signage Station
    With the Signage Station, it's easy to create content for a wide range of materials such as personal animated resumes or life memory books. The Signage Station is a great tool to give life to your resume for you to creatively present your backgrounds and accomplishments with media content. You can also create personal memory books to edit and record each life event. The iArtist Lite application with editing tools helps you to create these signs with drag & drop tools. Your creativity can now travel around the world in a few simple steps
    Tablets and Smartphone Integration
    The HS-251 is your private cloud storage that virtually enlarges the capacity of your smart mobile devices. Qfile allows you to access, upload, download, manage, and share stored files easily as if you are carrying everything in your pocket. Music, photos, and videos can be streamed, enjoyed, and shared virtually anytime, anywhere. Qmanager also lets you monitor and manage the HS-251 remotely and efficiently without turning on a PC, while Qmusic allows you to stream your music stored on your HS-251 almost anytime & anywhere, and download to enjoy offline
    QNAP's App Center
    In addition to these pre-installed apps, the HS-251 has a built-in App Center that provides various install-on-demand apps developed by QNAP and third-party developers, including tools for backup/sync, business, content management, communications, downloading, entertainment, and much more. It is also a centralized location for managing & updating installed apps. QNAP's development platform embraces the open source spirit and allows you and other developers to create their own apps, adding near-unlimited opportunities for the HS-251
    Storage Expansion with Scale-up Solution
    The HS-251 offers a high performance yet affordable storage solution to fulfill the needs of archiving rapidly growing data & large files. The HS-251 supports online capacity expansion by connecting a QNAP expansion enclosure. With the QNAP scale-up solution, the raw storage capacity can be expanded on demand, making the HS-251 a well suited file center with a large storage capacity for personal video collections
    NAS Management
    The HS-251 provides comprehensive system tools to help increase management efficiency:

    Instant Alert Notifications - With the SMTP and SMS settings on the Turbo NAS, system administrators will get notifications from SMS or emails when any error occurs

    Resource Monitor - A graphical interface is presented for easily monitoring the CPU usage, memory usage, disk usage status, bandwidth usage, and running processes of the Turbo NAS

    Wake on LAN - Administrators can turn on the Turbo NAS within LAN. It saves more energy and helps improve security

    Scheduled Power On/Off - Administrators can flexibly set up the time of turning on/off for the Turbo NAS, maximum 15 sets of schedules are allowed for turning on, off, or rebooting

    S.M.A.R.T. & Advanced Hard Drive Health Scan (HHS) - The Turbo NAS supports HDD S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) which monitors the hard drive status and sends out alert notifications through email for administrators to take precautions. Moreover, the HHD Health Scanning technology can examine the hard drive status and help prevent possible data loss

    Comprehensive Event Logs - The Turbo NAS supports Syslog server that collects logs from various connected devices over the Internet and saves the data, enabling centralized log management with greater efficiency
    Additional Home Office Features
    The HS-251 supports various applications for home offices as an all-in-one Turbo NAS with cost-efficiency:

    FTP Server - The Turbo NAS supports FTP server to share large size files, coming with user-defined settings including bandwidth limitation, number of connections, and write-only permissions

    Web Server - The Turbo NAS supports Web server which allows numerous websites built on the same server conveniently. Administrators can manage up to 32 websites on a single Turbo NAS with reduced IT costs

    RADIUS Server - The Turbo NAS supports RADIUS server which provides centralized authorization management for computers to connect and use a network service

    VPN Server - The Turbo NAS supports VPN server which provides an easy way for IT administrators to build up a secure private network and allows the staff to log on from outside the office and access business resources securely such as files and Internet connections

    Printer Server - The Turbo NAS supports Printer server to send remote printing requests over the Internet (max. 3 USB printers), and supports IPP (Internet Printing Protocol), Samba, print job management, and Bonjour printing for Mac OS X

    Plex Media Server - The HS-251 can be used as a Plex Media Server to stream your content to any Smart TV or Plex clients, such as smartphones and tablets
    UPC: 885022006557
    In the Box
    QNAP HS-251 2-Bay Fanless Home and SOHO NAS Server
  • 2 x Ethernet Cables
  • 6 x Flat Head Screws for 2.5" HDD
  • 8 x Flat Head Screws for 3.5" HDD
  • Power Cord
  • AC Adaptor
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    QNAP HS-251 specs

    Software Specifications
    Operating System QTS 4.1 (embedded Linux)
    Client OS Support Windows: XP and higher, Server 2003 and higher
    Mac: OS X and up
    Supported Browsers Chrome, IE 10 and up, Firefox, Safari
    Languages Supported Chinese (Traditional and Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, Turkish
    Networking TCP/IP: IPv4, and IPv6
    Dual Gigabit NICs with jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
    Service binding based on network interfaces
    Proxy client, proxy server
    DHCP client, DHCP server
    Protocols: CIFS/SMB,AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet,
    UPnP and Bonjour discovery
    USB Wi-Fi adapter support
    Security Network Access Protection with Auto-Blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
    CIFS host access control for shared folders
    FIPS 140-2 validated AES 256-bit volume-based data encryption
    AES 256-bit external drive encryption
    Importable SSL certificate
    Instant alert via email, SMS, and beep
    Storage Management Online Volume Expansion
    Single Disk, JBOD, RAID 0, 1
    Online RAID Capacity Expansion
    Online RAID Level Migration
    Bad block scan and hard drive S.M.A.R.T.
    Bad block recovery
    RAID recovery
    Bitmap support
    Power Management Wake on LAN
    Internal hard drive standby mode
    Scheduled power on/off
    Automatic power on after power recovery
    USB and network UPS support with SNMP management
    System sleep mode (S3)
    Access Right Management Batch users creation
    Import/export users
    User quota management
    Local user access control for CIFS, AFP, FTP, and WebDAV
    Application access control for Photo Station, Music Station, Video Station, and Multimedia Station
    Subfolder permissions support for CIFS/SMB, AFP, FTP, and File Station
    myQNAPcloud Service Private myQnap cloud storage and sharing with myQnap cloud id (qid)
    Free host name registration (DDNS)
    Auto router (via UPnP) configuration
    Web-based file manager with HTTPS 2048-bit encryption
    Cloudlink for remote access without complicated router setup
    myQnap cloud connect for easy VPN connection (WindowsVPN utility)
    Qsync Syncs files among multiple devices with SSL support
    Selective synchronization for syncing specific folders only
    Share team folder as a file center for team collaboration
    Shares files by links via email
    Policy settings for conflicted files and file type filter support
    Version control: up to 64 versions
    Incremental synchronization for HDD space saving
    Supports Windows and Mac OS
    Web Administration Multi-window, multi-tasking based system management
    Personalized desktop
    Smart toolbar and dashboard for neat display on system status
    Login screen with personalized photo-wall style
    Smart fan control
    Dynamic DNS (DDNS)
    SNMP (v2 and v3)
    Resource monitor
    Network Recycle Bin for file deletion via CIFS/SMB, AFP and File Station
    Automatic cleanup
    File type filter
    Comprehensive logs (events and connection)
    Syslog client/server
    System settings backup and restore
    Restore to factory default
    Mobile app: Qmanager for remote system monitoring and management
    File Server File Sharing across Windows, Mac, and Linux/UNIX
    Windows ACL
    Advanced folder permission for CIFS/SMB, AFP, FTP
    Shared folder aggregation (CIFS/SMB)
    All-in-One Server
    File Station Supports ISO Mounting (up to 256 ISO files)
    Support thumbnail display of multimedia files
    Supported share download link and upload link
    Drag-n-drop Files via Chrome and Firefox Browsers
    Photo, music, and video preview/playback with hardware accelerated transcoding
    File Compression (ZIP or 7z)
    Transcode Management Transcode video files to 240p, 360p, 480p, 720p, and 1080p resolution
    Automatic video transcoding for watched folders
    Hardware accelerated transcoding support
    Print Server Max number of printers: 3
    Print job display and management
    IP-based and domain name-based privilege control
    Surveillance Station Supports over 2100 IP cameras
    Includes two free camera licenses and up to 24 camera channels via additional license purchase
    Supports instant playback to check the recent event
    Online editing lets you edit cameras within live view
    Visual aid by e-map
    Playback and speed controlled by shuttle bar
    Video preview supported on playback timeline
    Intelligent Video Analytics (IVA) for advanced video search
    Surveillance client for Mac
    Mobile Surveillance App: vMobile (for iOS and Android mobile devices)
    Mobile Recording App: vCam (for iOS and Android mobile devices)
    Domain Authentication Integration Microsoft Active Directory (AD)
    LDAP server, LDAP client
    Domain users login via CIFS/SMB, AFP, FTP, and File Station
    Virtualization Station Supports one Virtual Machine (VM) creation to run an operating system such as Windows, Linux, Unix
    VM import from Virtual Appliances
    VM export to a virtual appliance in OVF / QVM format
    VM clone
    VM snapshot
    HTML5-based shared remote console
    Hardware Specifications
    Processor 2.41 GHz Intel Celeron Dual-Core processor (with a burst speed up to 2.58 GHz)
    Flash Memory 512 MB DOM
    Drive Bays 2 x 3.5" or 2.5" SSD or NAS Hard Drives

    Please be aware that the system is shipped without disks
    Hard Disk Tray 2 x Hot-swappable trays
    LED Indicators Status, LAN
    Inputs and Outputs 1 x HDMI out
    2 x RJ-45 Gigabit Ethernet
    2 x USB 3.0
    2 x USB 2.0
    Supports USB printer, pen drive, USB UPS, etc.
    Buttons Power/Status, Reset
    Alarm Buzzer System warning
    IR Receiver MCE compatible
    Power Supply External 100 - 240 V AC Power Adapter (60 W)
    Power Consumption HDD standby: 8.96 W
    In operation:15.6 4W
    (with 2 x 3TB WD NAS HDD installed)
    Security Kensington lock slot
    Environment Temperature: 32 to 104°F / 0 to 40°C
    RH: 5 to 95% non-condensing
    Wet Bulb: 80.6°F (27°C)
    Dimensions 11.8 x 8.7 x 1.6" / 300.0 x 220.0 x 41.3 mm
    Weight Net weight: 3.44 lb / 1.56 kg
    Gross weight: 5.78 lb / 2.62 kg
    Packaging Info
    Package Weight 6.0 lb
    Box Dimensions (LxWxH) 15.3 x 12.4 x 6.5"

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