QNAP

Facing the increasing demand for data storage, sharing and multimedia processing, more and more users are looking for a NAS system with good performance and an affordable price tag. The Intel® quad-core TS-251+ provides an uncompromising high-performance scalable storage solution for professional users. Powered by the intelligent QTS 4.2 operating system, the TS-251+ performs as an easy-to-use yet powerful NAS for data backup, file synchronization and sharing, remote access and multimedia applications, and is ideal for users to create a secure private cloud to access their data easily.

  • Centralize your file storage, sharing and backup with excellent performance
  • Run multiple Windows®, Linux®, UNIX® and Android™ based virtual machines with the Virtualization Station
  • Operate multiple isolated Linux® systems as well as download containerized apps with Container Station
  • Play 1080p videos with the bundled remote control and multi-channel audio pass-through via HDMI
  • Transcode Full HD videos on-the-fly or offline*
  • Stream multimedia files via DLNA®, AirPlay®, Chromecast™ and Bluetooth® with multi-zone multimedia control
  • Quickly find specific files by real-time, natural search with Qsirch
  • Scale up to 10 drives with QNAP UX-800P expansion enclosure

Quad-core 64-bit Intel® Celeron® CPU for exceptional performance

The TS-251+ is powered by a 64-bit Intel® Celeron® quad-core 2.0GHz processor and has 2GB/8GB energy-efficient DDR3L RAM (upgradable to 8GB) and dual Gigabit LAN ports, delivering up to 225 MB/s read & write speeds with port trunking mode. The TS-251+ can also automatically increase the processor's clock rate from 2.0GHz to 2.42GHz when needed for CPU-intensive tasks. The TS-251+ supports AES 256-bit volume & folder encryption with transfer speeds of up to 205 MB/s, boosting system performance & security while ensuring the safety of sensitive personal data stored in the TS-251+.

QNAP

Tested in QNAP Lab. Figures could vary by environment.

QTS 4.2 - Simple and efficient

Thanks to the intuitive user interface of QTS 4.2, your NAS experience is smarter, smoother and spectacular. Its modern flat design streamlines loading times, and the intelligent desktop allows you to quickly find desired functions, create desktop shortcuts or group shortcuts, monitor important system information on a real-time basis, and open multiple application windows to run multiple tasks concurrently, bringing greater operating efficiency. QTS breaks the barriers of devices, platforms and geography to bring optimized cloud experiences to you, and incorporates more advanced features including volume/LUN snapshot, remote connection to public cloud services in File Station, multi-zone multimedia system, and more.

Run additional operating systems on the TS-251+

The Virtualization Station transforms the TS-251+ into a 2-in-a-box NAS that can function as an all-in-one NAS and a virtualization platform that supports multiple operating systems, fast VM creation, VM backup & restoration, VM import/export, snapshot, Device Management for centrally managing VM, and enables desktop operations on web browsers. With the easy-to-use interface, you can centrally manage all of the VMs created on the TS-251+ with minimal effort. You can also download VMs on demand from online VM markets and import them to the TS-251+ without any complex procedures.

Container Station – LXC and Docker® Containers inclusive

QNAP Container Station exclusively integrates LXC and Docker® lightweight virtualization technologies, allowing you to operate multiple isolated Linux® systems on the TS-251+ as well as download apps from the built-in Docker Hub® Registry. It supports container import/export and permission settings, and features an informative dashboard and flexible user interface for you to manage multiple containers. You can experience the amazing Container Station and enjoy the playground of virtual containers with the TS-251+. Container Station also supports Online Document app, which allows you to directly view, edit and store files of various types anytime on your NAS, including Office documents, images and text files.

Real-time & offline video transcoding*

The TS-251+ delivers superior real-time Full HD video transcoding to convert your videos to formats that can be smoothly played on PCs, mobile devices and Smart TVs. It allows for multiple devices to simultaneously view different videos stored on the TS-251+ with on-the-fly hardware accelerated transcoding, saving your time in converting videos to different formats for different devices.

With the benefits of offline transcoding, if you can only connect to an Internet connection with limited/restricted bandwidth, you can still enjoy smooth videos via File Station, Video Station, or the Qfile app by selecting a pre-rendered lower-resolution video, saving system resources of the TS-251+ for other applications. The TS-251+ also allows you to set a dedicated folder for automatic video transcoding.

QNAP

Enjoy media freely with multi-zone multimedia control

Use your TS-251+ as a multi-zone multimedia system to fill every corner of your house with your choice of media. You can centrally manage and stream photos, music and videos from the TS-251+ to different rooms from a single device using Bluetooth®& USB devices connected to the TS-251+ (for music streaming only), HDMI, DLNA®, Apple TV® and Chromecast™*. Every room member in different zones can enjoy the convenience and simplicity for media playback and multimedia storage.

Alternatively, to enjoy multimedia yourself, you can choose DLNA-compatible devices, use the Qfile app on an iOS® device to browse videos/photos and play on the TV via Apple TV®, or transform the TS-251+ into a powerful streaming machine with DLNA®, Roku®, Amazon® Fire TV, and Google TV™ support with the support of Plex Media Server.

*To stream multimedia via Chromecast, you must first install the multimedia extension pack from the QTS App Center.

Qsirch – A smarter, faster way to search

Quickly and easily find documents, photos, videos, and music with Qsirch, QNAP's new built-in NAS search application lets you find what you need by real-time, natural search. Simply type in as much as you know about what you are trying to find, including parts of the file name or even words/phrases in the document, and Qsirch will display a list of matches, complete with thumbnails, as you type. Qsirch even remembers your search history so you can quickly navigate to files you've previously searched for. Qsirch is a huge productivity boost that greatly reduces the amount of time spent looking for files on the NAS so you can focus on other tasks.

Qsirch

Cross-platform file sharing, centralized data storage

The TS-251+ supports SMB/CIFS, NFS, and AFP protocols for file sharing across Windows®, Mac® and Linux®/UNIX®. Data, logs and ISO image of CDs and DVDs can be centrally stored in the TS-251+ and protected by an integrated antivirus solution.

File Station integrated with cloud services

The web-based File Station enables you to easily upload, download, and manage files on your TS-251+ wherever there is an internet connection. Supporting file extraction, folder creation, and smart search for files and folders, the File Station also allows you to easily share files with colleagues and friends via unique URLs, email, and a shared space. What's even better, you can also directly browse and transfer files between the TS-251+ and public cloud services like Google Drive™, Dropbox®, Microsoft® OneDrive, Box®, Yandex® Disk and Amazon® Cloud Drive through File Station, and view files with Office Online and Google Docs™ or directly open them with a Google Chrome™ office extension.

QNAP

Well-rounded backup solutions to secure data

QNAP NetBak Replicator supports real-time and scheduled data backup on Windows including Outlook email archiving. Apple Time Machine® is also supported to provide Mac® OS X users with a solution to effortlessly back up data to the TS-251+. The front panel USB 3.0 port on the TS-251+ features a one-touch-copy function for you to instantly back up data on external drives to the TS-251+ with just one click, or alternatively to back up data from the TS-251+ to external drives. A wide range of third-party backup software such as Acronis® True Image and Symantec® Backup Exec are also supported.

Disaster recovery solutions bring peace of mind

The TS-251+ offers various data recovery options. RTRR (Real-Time Remote Replication) supports real time and scheduled data backup to remote QNAP NAS or FTP servers and synchronizes files to remote folders from local folders with better backup efficiency. You can enjoy backup versioning to preserve a certain amount of versions, with options of simple versioning to schedule how many versions should be retained and for how long, or smart versioning with a rotation scheme that automatically replaces earlier backup versions. The TS-251+ also supports rsync protocol to back up data to remote servers on a scheduled basis. Data can also be backed up to and restored from a range of cloud storage services, including Amazon® S3, Amazon® Glacier, Microsoft® Azure™, ElephantDrive®, Dropbox®, Google Drive™, Google Cloud Storage™, and more.

Volume & LUN snapshot simplifies restoration

Not limited to high-end models, the TS-251+ brings the highly-anticipated snapshot function for your flexible usage.QTS Storage Manager adds an easy-to-use web-based snapshot tool for you to easily back up and restore data on the TS-251+ back to any point of time to prevent loss of important data. You can take up to 256 snapshots per volume or LUN, efficiently replicate volume/LUN snapshots to remote servers by copying only the changes made, and quickly clone a volume /LUN snapshot as a local volume without interrupting the current system operation. You can even set up the system to automatically take a snapshot of the volume before backup via RTRR/rsync, even when the file is opened.

Note: Snapshot function requires a minimum 4GB RAM.

QNAP

Comprehensive security options

In open network environments, data on the connected devices may be exposed in a potential hack. The TS-251+ provides numerous security options, such as 2-step verification, encrypted access, IP blocking, and more. Administrators can also control the access rights of each user to different folders, preventing unauthorized access to important files. The TS-251+ is validated with military-level FIPS 140-2 AES 256-bit encryption, preventing sensitive data from unauthorized access and breach even if the hard drives or the entire system were stolen.

QNAP

Secure access with VPN Server & VPN Client

The TS-251+ can be a VPN server with L2TP/IPsec, OpenVPN, and PPTP support, allowing you to securely access data shared within the private local network. The TS-251+ also supports VPN Client for PPTP and OpenVPN to protect your privacy during data transmission.

QNAP

File synchronization across devices and clouds

Qsync utility turns your TS-251+ into a safe, large-capacity data center for file synchronization. Any file uploaded to the TS-251+ will be made available for all linked devices, such as computers, laptops or mobile devices. Qsync is especially useful for frequent travelers to manage files and always have the most up-to-date files on different devices. Qsync provides multiple ways of file synchronization and group file sharing, greatly enhancing the flexibility of team projects and collaboration. It also supports centralized configuration, and allows you to remotely erase the Qsync folder on a lost device to avoid data breaches, and even restore it after you have retrieved the device. You can also install the Cloud Drive Sync app from QTS App Center to easily sync files with Google Drive™ and Dropbox® cloud storage.

Comprehensive surveillance solution providing 24/7 security

The TS-251+'s Surveillance Station offers a professional surveillance solution with a user-friendly management interface, a wide range of over 3,000 compatible IP camera models, and expandable IP camera channel licenses. It supports real-time monitoring, video & audio recording and playback with a wide range of customizable settings. You can also install the Vmobile app on your iOS® or Android™ devices to manage the monitoring of cameras anytime, anywhere, to safeguard your office environment, or install the Vcam mobile app to turn your device into a network camera to instantly record to your TS-251+. The TS-251+ offers 2 free IP camera channels and you can expand up to 40 channels by purchasing additional licenses.

QNAP

Access and enjoy with your mobile devices

The TS-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 tons of files in your pocket. If Qfile is installed on an iOS® device, users can also browse videos & photos stored on the TS-251+ and play on a TV via Apple® TV. Qmanager lets you monitor & manage the TS-251+ remotely and efficiently without turning on your PC. You can take and share digital notes with Qnotes, and enjoy and share music, photos and videos on the TS-251+ anywhere and anytime with Qmusic, Qphoto and Qvideo apps.

QNAP

Install-on-demand apps to extend NAS functionality

The TS-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, download, entertainment, and much more. It is also a centralized location for managing & updating installed apps. In addition, QNAP's development platform embraces the open-source spirit to enable developers to create their own apps, adding potentially limitless potential for the TS-251+.

QNAP

LED indicators with adjustable brightness controls

With adjustable 3-stage brightness controls for LED indicators, the TS-251+ provides flexible LED brightness options. Based on the surrounding environment, you can adjust the brightness of all system indicators and also schedule the system to automatically dim the LEDs at certain times when needed.

QNAP

Expand storage capacity easily

The TS-251+ supports online capacity expansion for archiving rapidly growing data by connecting a QNAP expansion enclosure. With the QNAP scale-up solution, the raw storage capacity can be expanded on demand*, making the TS-251+ an ideal file center with large storage capacity for storage-intensive business applications.

With the support of QJBOD Express (JBOD enclosures roaming)**, you can just connect a large capacity QNAP expansion enclosure to the TS-251+, and migrate data to another NAS through the JBOD enclosure without network connectivity.

The maximum raw storage capacity available by connecting a QNAP expansion enclosure:

NAS Model RAID Expansion Enclosure No. of RAID Expansion Enclosure Total HDD No. (NAS + Enclosure) Max. Raw Capacity (TB)***
TS-251+ UX-800P 1 10 80
UX-500P 1 7 56

*To expand the storage space with an UX expansion enclosure, please create a separate static volume or storage pool on the UX expansion unit.
**RAID groups of storage pools cannot cross multiple enclosures.
***The maximum capacity is calculated by using 8TB HDDs.

 

QNAP TS-251+-2G 2 Bay Diskless NAS - Quad-Core Intel® Celeron® 2.0GHz (burst up to 2.42GHz) - 2GB DDR3L RAM (1 x 2GB) - Supports 2x 2.5" or 3.5" SATA 6Gb/s, 3Gb/s HDD or SSD; hot swappable trays - 2x Gigabit RJ-45 Ethernet ports - 2x USB 3.0 Ports (Front: 1, Rear: 1), 2x USB 2.0 Ports (Rear) - 1x HDMI Port - 2 Year Warranty

 

(TS-251PLUS-2G)

CPU Quad-Core Intel® Celeron® 2.0GHz (burst up to 2.42GHz)
Floating Point Unit
V
GPU Intel® HD Graphics
Hardware-Acclerated Transcoding V
Memory System memory:
TS-251+-2G: 2GB DDR3L RAM (1 x 2GB)
TS-251+-8G: 8GB DDR3L RAM (2 x 4GB)
Total memory slots: 2 SODIMM
Expandable up to: 8 GB

NOTE:
1. When installing two memory modules, please ensure that they are the same size and ideally use the same type of RAM for both memory slots.
2. For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide
Flash Memory 512MB
Drive 2 x 2.5" or 3.5" SATA 6Gb/s, 3Gb/s HDD or SSD; hot swappable trays

NOTE:
For the HDD compatibility list, please visit https://www.qnap.com/compatibility
Expansion Unit Max. 1 (UX-800PUX-500P)
Gigabit LAN Ports 2
USB 2 x USB 3.0 (Front: 1, Rear: 1)
2 x USB 2.0 (Rear)
IR Receiver Yes (QNAP RM-IR002 remote control)
HDMI 1
LED Indicators Power/Status, LAN, USB, HDD1-2
Buttons Power, Reset, USB Auto Copy
Alarm Buzzer System warning
Form Factor Tower
Dimensions (HxWxD) 169 x 102 x 219 mm
6.65 x 4.02 x 8.62 inch
Weight (Net / Gross) 1.28 kg (2.82 lbs) / 2.32 kg (5.11 lbs)
System Fan 1 x 7cm, 12V DC
Kensington Security Slot 1
Power Supply External Power Adapter, 60W, 100-240V
Power Consumption (W) S3 sleep: 0.57
HDD standby: 10.56
In operation (typical): 18.09
Sound Level* Sound pressure (LpAm) :15.4 dB(A)
Temperature 0 - 40 °C
Humidity 5~95% RH non-condensing, wet bulb: 27˚C

 

* Testing Environment:
Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS

Operating System
QTS 4.2 (embedded Linux)
File System
  1. Internal Hard Drive: EXT4
  2. External Hard Drive: EXT3, EXT4, NTFS, FAT32, HFS+
Supported Client OS
  1. Windows 7 (32/64-bit), Windows 8 (32/64-bit), Windows Server 2003/2008 R2/2012/2012 R2
  2. Apple Mac OS X
  3. Linux & UNIX
Power Management
  1. Wake on LAN
  2. Internal hard drive standby mode
  3. Scheduled power on/off
  4. Automatic power on after power recovery
  5. USB and network UPS support with SNMP management
  6. System sleep mode (S3)
Supported Browsers
  1. Microsoft Internet Explorer 10+
  2. Mozilla Firefox 8+
  3. Apple Safari 4+
  4. Google Chrome
Access Right Management
  1. Batch users creation
  2. Import/Export users
  3. User quota management
  4. Local user access control for CIFS, AFP, FTP, and WebDAV
  5. Application access control for Photo Station, Music Station, Video Station, and File Station
  6. Subfolder permissions support for CIFS/SMB, AFP, FTP, and File Station
Multilingual Support
  1. Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, Turkish
Domain Authentication Integration
  1. Microsoft Active Directory (AD) & Domain Controller support
  2. LDAP server, LDAP client
  3. Domain users login via CIFS/SMB, AFP, FTP, and File Station
Storage Management
  1. QNAP flexible Volume/LUN with thin provisioning and space reclaim
  2. Disk volume types: RAID 0 / 1, JBOD, Single
  3. Supports storage pools
  4. Supports snapshots (4GB System RAM required)
    1. Supports Volume/LUN snapshot (Max 256 snapshots)
    2. Snapshot manager
    3. Snapshot clone
    4. Snapshot vault
    5. Snapshot replica
    6. Snapshot agent for Windows VSS and VMware
  5. Online volume expansion
  6. Online storage pool expansion
  7. Online RAID capacity expansion and online RAID level migration
  8. SMART data migration
  9. Storage expansion via a QNAP UX-500P/UX-800P expansion unit
  10. JBOD enclosure roaming
  11. SSD read-only/read-write cache
  12. Bad block scan and hard drive S.M.A.R.T.
  13. Bad block recovery
  14. RAID recovery
  15. Bitmap support
myQNAPcloud Service
  1. Private cloud storage and sharing
  2. Free host name registration (DDNS)
  3. Supports myQNAPcloud SSL certificates (DDNS)
  4. Auto router configuration (via UPnP)
  5. Web-based file manager with HTTPS 2048-bit encryption
  6. CloudLink for remote access without any complicated router setup
  7. myQNAPcloud connect for easy VPN connection (Windows VPN utility)
Networking
  1. TCP/IP (IPv4 & IPv6: Dual Stack)
  2. Dual Gigabit NICs with jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
  3. Service binding based on network interfaces
  4. Proxy server (Squid Proxy Server via App Center)
  5. Proxy client
  6. DHCP client, DHCP server
  7. Protocols: CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
  8. UPnP & Bonjour Discovery
  9. USB Wi-Fi Adapter Support

* Not all services supports IPv6.

Qsync
  1. Syncs files across multiple devices with SSL support
  2. Selective synchronization for only syncing specific folders
  3. Use team folders as a file center for greater team collaboration (maximum sync tasks:32)
  4. Shares files by links via e-mail
  5. Policy settings for conflicting files and file type filter support
  6. Version control: up to 64 versions.
  7. Incremental synchronization for HDD space saving
  8. Unified privilege management
  9. Unified configuration management
  10. Supports central configuration mode
  11. Supports remote erase / restore
  12. Supports shared folders sync
  13. Supports Windows & Mac OS
Security
  1. Network access protection with auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
  2. CIFS host access control for shared folders
  3. FIPS 140-2 validated AES 256-bit volume-based and shared folder data encryption*
  4. AES 256-bit external drive encryption*
  5. Importable SSL certificates
  6. Instant alert via E-mail, SMS, beep, and push notification service
  7. 2-step verification
* The data encryption functions may be unavailablenot available in accordance with the legislative restrictions of some countries.
Web Administration
  1. Movable Icons and personalized desktop
  2. Smart toolbar and dashboard for neat system status display
  3. Smart fan Control
  4. Dynamic DNS (DDNS)
  5. SNMP (v2 & v3)
  6. Resource monitor
  7. Network recycle bin for file deletion via CIFS/SMB, AFP, and File Station
    1. Automatic Cleanup
    2. File Type Filter
  8. Comprehensive logs (events & connection)
  9. Syslog client/server
  10. System settings backup and restore
  11. Restore to factory default
  12. Mobile app: Qmanager for remote system monitoring & management
Powerful All-in-one server
File Server
  1. File sharing across Windows, Mac, and Linux/UNIX
  2. Windows ACL
  3. Advanced folder permissions for CIFS/SMB, AFP, FTP
  4. Shared folder aggregation (CIFS/SMB)
Download Station
  1. PC-less BT, FTP/FTPS, and HTTP/HTTPS, Thunder, FlashGet and qqdl download (up to 500 Tasks)
  2. BT download with Magnet Link and PT support
  3. Scheduled download and bandwidth control
  4. RSS subscription and download (broadcatching)
  5. BT search
  6. Proxy support for BT download

 

FTP Server
  1. FTP over SSL/TLS (Explicit)
  2. FXP support
  3. Passive ftp port range control
Notes Station
  1. A handy note-taking tool for everywhere you go via your private cloud
  2. Direct and quick backup from Evernote with re-editing availability
  3. Supports Google Calendar
  4. Import/Export PDF file
  5. RSS live feed and auto update
  6. Online quick preview of multimedia attachments
  7. Notes encrypt/decrypt
  8. Smart snapshot for version control
  9. Collaborate on notes with multiple users
  10. Provides Chrome Extension: Notes Station Clipper (Clip web page content to your notes)
File Station
  1. Supports mounting a Cloud Drive (such as Google Drive, Dropbox, Microsoft OneDrive, Amazon Drive, Yandex Disk and Box)
  2. Supports mounting remote shared folders through FTP, WebDAV or Microsoft networking (SMB/CIFS)
  3. Supports opening documents via Office Online, Google Docs or Chrome Extension (Edit Office files in Google Docs, Sheets, and Slides)
  4. Supports ISO Mounting (Up to 256 ISO Files)
  5. Supports thumbnail display of multimedia files
  6. Supports sharing download links and upload links
  7. Supports sharing to other NAS users
  8. Drag-n-drop Files via Chrome and Firefox Browsers
  9. Photo, music, and video preview and playback with hardware-accelerated transcoding
  10. File Compression (ZIP or 7z)
  11. Creation of and sending download links for sharing public files with expiration date and password protection
  12. Supports displaying subtitles (*.SRT, UTF-8 format)
    1. Video seeking support for video playback during on-the-fly transcoding
    2. Supports slideshow playback in media viewer
  13. Mobile App: Qfile for file browsing and management
HD (HybridDesk) Station 3.0
  1. Watch various online content such as Flickr, Picasa, Shoutcast, etc.
  2. Web browsers (Chrome, Firefox)
  3. Supports multi-lingual keyboard, input and mouse
  4. Supports user login permissions
  5. A variety of applications are available including Skype, Plex, and more

Note:
- The playback and quality of some video files may be affected by the system's CPU and GPU decoding abilities.
- Up to 7.1 channel audio passthrough is supported
Transcode Management
  1. Transcode video files to 240p, 360p, 480p, 720p and 1080p resolution
  2. Automatic video transcoding for watched folders
  3. Hardware accelerated transcoding support
  4. Embed subtitles into videos for background transcoding
Virtualization Station
  1. Supports Virtual Machine (VM) creation to run operating systems such as Windows, Linux, Unix and Android
  2. Supports VM import and export
  3. Supports VM cloning
  4. Supports VM snapshots
  5. Supports VM backup and restore
  6. Support three different networking modes: Isolated, External-only and Bridged
  7. VM console can be displayed via HDMI output - QVM
  8. HTML5-based shared remote console
Backup Station
  1. Remote replication server (over rsync)
  2. Real-time remote replication (RTRR) to another QNAP NAS or FTP server
  3. Works as both RTRR server & client with bandwidth control
  4. Real-time & scheduled backup
  5. Backup versioning for RTRR
  6. Snapshot support for RTRR/Rsync
  7. Encryption, compression, file filter, and transfer rate limitation
  8. Encrypted replication between QNAP NAS servers
  9. Desktop backup with QNAP NetBak Replicator for Windows
  10. Apple Time Machine backup support
  11. Data backup to multiple external storage devices
  12. Third party backup software support: Veeam backup & replication, Acronis True Image, Arcserve backup, emc retrospect, Symantec Backup Exec, etc.

 

Signage Station
  1. Supports dynamic content including videos, images, music, and text
  2. Supports multi-user collaboration
  3. Supports searching using keywords
  4. Supports sharing by email and social network
  5. Supports design software: iArtist Lite
  6. Supports account authority management
  7. Supports playback on various browsers (Chrome, Firefox, IE, Safari)
  8. Supports most viewed, latest released and different categories content list
Print Server
  1. Max number of printers: 3
  2. Supports Internet Printing Protocol
  3. Print job display and management
  4. IP-based and domain name-based privilege control

 

Storage Plug & Connect
  1. Creating and mapping shared folders by QNAP Windows Qfinder Pro
  2. Creation of and connection to iSCSI target/LUN
Photo Station
  1. Show photos by thumbnails, list, timeline, or folder view
  2. Supports virtual/smart albums
  3. Validity control for sharing albums
  4. Tag photos with text, colors, and ratings
  5. Slideshows with background music and different transition effects
  6. Animated thumbnails for videos
  7. Geotag photos and display them on Google maps
  8. Advanced search by tags, metadata, etc
  9. Supports uploading photos/videos to Picasa, Flickr, Weibo, YouTube
  10. Supports face detection (with the Photo Station Extension)
  11. Supports PDF to image conversion (with the Photo Station Extension)
  12. Share slideshows links to social websites or by email
  13. Supports Facebook friends login
  14. Backup/Restore album configuration
iSCSI (IP SAN)
  1. iSCSI target with multi-LUNs per target (Up to 256 targets/LUNs combined)
  2. Supports LUN mapping & masking
  3. Online LUN capacity expansion
  4. iSCSI LUN backup, one-time snapshot, and restoration
  5. iSCSI connection and management by QNAP Windows Qfinder Pro
  6. Virtual disk drive (via iSCSI initiator)
  7. Stack chaining master
  8. Max No. of virtual disk drives: 8
Music Station
  1. Play or share music via web browser*
  2. Automatic classification via Media Library
  3. Supports streaming music to multiple devices.
  4. Supports changing album covers via Google search or uploading photos.
  5. Internet radio (MP3)
  6. Up to 8 music alarms
  7. Mobile app: Qmusic for music streaming and management
* DRM-protected content is not supported.
Surveillance Station
  1. Supports over 3,000 IP cameras
  2. Includes 2 free camera licenses, up to 40 camera channels via additional license purchase
  3. Instant playback to check recent events
  4. Online editing to edit cameras during live view
  5. Visual aid by e-map
  6. Playback and speed control using the shuttle bar
  7. Video preview on playback timeline
  8. Intelligent video analytics (IVA) for advanced video searching
  9. Surveillance client for Mac
  10. Mobile surveillance app: Vmobile (iOS and Android)
  11. Mobile recording app: Vcam (iOS and Android)
iTunes Server
  1. Audio and video sharing for Windows & Mac iTunes
VPN Server
  1. Secure remote access: PPTP、L2TP/IPsec & OpenVPN VPN services
  2. Max number of clients: 30
Video Station
  1. Show photos by thumbnails, list, timeline, or folder view
  2. Supports virtual/smart collections
  3. Validity control for sharing collections
  4. Tag videos with text, color, and ratings
  5. Animated thumbnails for videos
  6. Share video links to social websites or through email
  7. Sort videos automatically into defined classifications
  8. Display movie information from IMDB
  9. Display movie posters from IMDB or user upload
  10. Supports displaying subtitles (*.SRT,*.ASS, *.SSA)
  11. Supports searching for subtitles online
  12. Supports importing subtitles
  13. Supports Facebook friends login
  14. Supports custom video classification
  15. Supports multi-zone video display
  16. Video seeking support for video playback during on-the-fly transcoding
  17. Mobile app: Qvideo for online video browsing and management
VPN Client
  1. Supported VPN protocols: PPTP & OpenVPN services
  2. PPTP Authentication: PAP, CHAP, MS-CHAP, MS-CHAPv2
  3. PPTP Encryption: None, AES 40/128 bit, AES 256 bit
  4. OpenVPN Encryption: None, AES 40/128 bit, AES 256 bit
  5. Transmission package monitor
  6. OpenVPN port control
  7. OpenVPN link compression
Cloud Backup Station
  1. Amazon S3
  2. Amazon Glacier
  3. WebDAV-based cloud storage
  4. Microsoft Azure
  5. OpenStack
DLNA Server
  1. Supports DLNA/UPnP TVs and players such as PlayStation 3/4 and Xbox 360/One
  2. Supported audio formats: AIFF, APE, DSD (DSF, DFF), FLAC, M4A, M4A Apple Lossless (ALAC), MP3, Ogg Vorbis, WAV (PCM, LPCM), WMA, WMA PRO, WMA VBR*
  3. Support CUE indexing file for APE, FLAC audio format.
  4. Video and Audio On-the-fly Transcoding
*DRM-protected content is not supported.
AirPlay & Chromecast
  1. Streams videos, photos and music from the NAS to Apple TV via Qfile or Media Streaming add-on.
  2. Streams videos, photos and music from the NAS to TV with a Chromecast dongle via Qfile , Qvideo or Media Streaming add-on.
Q'center (NAS CMS)
  1. Multiple NAS monitoring
  2. Utilization history reports
  3. Unified configuration management
  4. Visual display reports
  5. Monitor NAS behind NAT router with Q'center Assistant
  6. Virtual appliances supported for Hyper-V and VMware
App Center
  1. Over 100 official and community software add-ons
 
Designs and specifications are subject to change without notice.
SKU TS-251PLUS-2G
Barcode # 885022009008
Brand QNAP
Shipping Weight 1.0000kg
Manufacturer Warranty
2 Years Limited Warranty
Manufacturer Contact Info
https://www.qnap.com/i/au/ 

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