QNAP TS-251+
High-performance Intel quad-core NAS supporting HDMI, transcoding, and virtualization for homes and businesses
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
- Enjoy the best audio-visual experience with HDMI output and the free remote control
- 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+.
*Tested in QNAP Labs. Figures may vary by environment.
Test Environment:
NAS:
OS: QTS 4.2.0
Volume type: RAID 0; 2 x Seagate 1TB HDD (ST1000NM0033)
Network environment: direct connection between NAS and PC, 1GbE LAN (MTU 1500)
Client PCs:
Intel® Core™ i7-4790 3.60GHz CPU; DDR3-1600 16GB; Seagate 500GB ST500DM002; Intel Gigabit CT (MTU 1500);Windows® 7Professional 64bit SP1
IOMeter configuration: Transferring 8GB file continuously to/from 2 PCs for 3 minutes. Block size: 64KB for SMB2.0 (Throughput)
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.
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.
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+.
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.
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 number of drives available by connecting QNAP expansion enclosures:
| NAS Model |
Raid Expansion Enclosure |
No. of RAID Expansion Enclosure |
Total HDD No.(NAS + Enclosure)
|
TS-251+
|
UX-800P |
1 |
10 |
| UX-500P |
1 |
7 |
*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.
Energy-saving & eco-friendly
The TS-251+ utilizes a 22nm CPU and DDR3L RAM which feature low voltage, low power consumption, maintaining high performance in system operations with the benefit of energy-saving. Other eco-friendly designs include S3 sleep mode, HDD standby, scheduled power on/off, hard disk standby mode, and Wake on LAN. QNAP also packs the TS-251+ in an eco-friendly box to minimize the environmental impact.
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.
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.
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.
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.
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 Utilities
Get more from your NAS
Discover new and convenient ways of using your NAS with QNAP Utilities. From quick set up, to easy access, secure back ups, fast restoration, simple file sharing and synchronization - there's a utility for all of your everyday tasks. There are also specialized utilities to assist with optimal management of virtualization environments and surveillance systems. Check out the QNAP Utilities now.
Qfinder Pro
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Available:
Windows, Mac, Ubuntu, Chromebook
   
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Qfinder Pro, available for Windows, Mac and Ubuntu, allows you to quickly find and easily access all QNAP NAS over the same LAN. Windows version further provides “Storage Plug & Connect” feature, making QNAP NAS as a network drive or virtual disk to the PC for convenient data storage. Chromebook users can download Qfinder Pro from the Chrome Web Store to enjoy seamless connection to the QNAP NAS within seconds.
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myQNAPcloud Connect
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Available:
Windows
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myQNAPcloud Connect is designed for Windows users to access the published services of the QNAP NAS quickly and securely over the Internet via VPN. Through myQNAPcloud Connect, you can easily manage files by drag-and-drop within Windows Explorer.
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Qsync
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Available:
Windows, Mac
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Qsync enables automatic file synchronization across different devices. Simply drag and drop files in the “Qsync folder,” data on devices linked with the NAS is updated simultaneously when changes are made. Additional sync modes, such as Smart Sync or Advanced Selective Sync, allow users to only sync selective data or folders. You can also create download links to share files with others without them having to create a user account for download.
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NetBak Replicator
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Available:
Windows
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QNAP NetBak Replicator features real-time synchronization, scheduled and auto backup of the entire disk drives, documents, multimedia files and e-mails from multiple Windows PCs to QNAP NAS. It also supports backing up to a remote server via FTP and WebDAV over the Internet.
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vSphere (Web) client plug-in
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Available:
Windows
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QNAP NAS supports vSphere Client plug-in that allows direct management of the VMware datastores on the NAS from the vSphere client console. In a large-scale virtual server environment, management is centralized and straightforward. Administrators can easily control the status of the QNAP NAS and datastores and create additional datastores to multiple ESXi hosts within just a few clicks.
Limitations: This utility is only available for Enterprise and SMB-class models.
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Q'center Virtual Appliance
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Available:
Hyper-V, VMware, Patch
 
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Q’center is a powerful centralized QNAP NAS management system. The Q’center Virtual Appliance can be deployed in Microsoft Hyper-V or VMware ESXi to increase system flexibility and connectivity for large storage environments.
With Q’center, users can view the status and system information of multiple QNAP NAS on a single platform, at the same time inspecting system resource usage, monitoring disk/ volume health and performing other management tasks. With these features on Q’center, IT administrators and QNAP NAS users can better allocate system resource and plan for future capacity.
Limitations: Minimum requirements: 108 GB free disk space, 1 GB memory and 4 virtual CPUs Supported platforms: VMware ESXi (ESXi 5.0, ESXi 5.1, ESXi 5.5), VMware Fusion 7, VMware Workstation 11, Microsoft Windows Server 2012 R2 with Hyper-V 3.0.
This utility is only available for Enterprise and SMB-class models.
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QNAP Snapshot Agent
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Available:
Windows
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The Storage Manager's Snapshot function supports iSCSI LUNs to rapidly back up and restore data. When creating a LUN snapshot, QNAP Snapshot Agent for Windows Server or VMware vCenter allows the NAS to communicate with the remote server when taking snapshots and ensures Application-consistent LUN snapshots.
With Q’center, users can view the status and system information of multiple QNAP NAS on a single platform, at the same time inspecting system resource usage, monitoring disk/ volume health and performing other management tasks. With these features on Q’center, IT administrators and QNAP NAS users can better allocate system resource and plan for future capacity.
Limitations: For Snapshot Agent's system requirements and limitations, please refer to the Application Note.
This utility is only available for Enterprise and SMB-class models.
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QVR Client
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Available:
Windows, Mac
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QNAP QVR Client is a client application that allows users to easily configure recording settings of the IP cameras, while also providing local or remote access to QNAP NAS for video monitoring and playback.
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Hardware Spec.
| 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 |
4 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-800P, UX-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 |
Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications.
Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
* Sound Level Test Environment:
Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS.
Designs and specifications are subject to change without notice.
Software Spec.
| Operating System |
| QTS 4.3 (embedded Linux) |
| Power Management |
- Wake on LAN
- Standby mode for internal drives
- Scheduled power on and off
- Automatic power on after power recovery
- USB and network UPS support with SNMP management
- System sleep mode (S3)
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| Supported Client Operating Systems |
- Apple Mac OS 10.7 or later
- Linux and UNIX
- Microsoft Windows 7, 8, and 10
- Microsoft Windows Server 2003, 2008 R2, 2012, and 2012 R2
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| Access Rights Management |
- Multiple user creation
- User data importing and exporting
- User quota management
- Local user access control (AFP, CIFS, FTP, and WebDAV)
- Application access control (File Station, Music Station, Photo Station, and Video Station)
- Subfolder permissions (AFP, CIFS/SMB, FTP, and File Station)
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| Supported Browsers |
- Apple Safari 7 or later
- Google Chrome
- Microsoft Internet Explorer 10 or later
- Mozilla Firefox
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| Domain Authentication |
- Microsoft Active Directory (AD) and domain controller
- LDAP server and client
- Domain user login (AFP, CIFS/SMB, FTP, and File Station)
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| Supported Languages |
| 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, and Turkish |
| myQNAPcloud |
- Free host name registration (DDNS)
- Optional myQNAPcloud SSL certificates (DDNS)
- Auto router configuration through UPnP
- Web-based file manager with HTTPS 2048-bit encryption
- CloudLink for remote access without complex router setup
- Easy VPN connection (Windows VPN utility)
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| Supported File Systems |
- Internal hard drive (EXT4)
- External hard drive (EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT)
Note: You can purchase exFAT driver licenses on the License Center. |
| Qsync |
- File syncing across multiple devices with SSL secure connection
- Selective synchronization for specific folders
- Team folders as file center for better collaboration
Note: The maximum number of sync tasks is 32.
- File sharing through email links
- Policy settings for conflicting files and file type filter
- Version control for a maximum of 64 versions
- Unified privilege and configuration management
- Central configuration mode
- Remote erase and restore
- Windows and Mac OS support
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| Networking |
- TCP/IP: Dual stack (IPv4 and IPv6)
- Jumbo frame (failover, multi-IP settings, port trunking, and NIC teaming)
- Service binding based on network interfaces
- Squid web caching proxy
- Proxy client
- DHCP server and client
- Protocols: CIFS/SMB, AFP v3.3, NFS v3, FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
- UPnP and Bonjour Discovery
- USB Wi-Fi adapter
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| Resource Monitor |
- Monitoring of NAS system resources such as CPU, memory and network
- Monitoring of NAS storage resources such as volumes, RAID, and disk activity
- Monitoring of resource usage by NAS applications
- Creation of extra swap space when SSDs are installed
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| Network & Virtual Switch |
- TCP/IP: Dual stack (IPv4 and IPv6)
- Jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
- DHCP server and client
- USB Wi-Fi adapter
Note: This feature does not support ad hoc networks because of security considerations.
- Virtual switch
- Virtual switch editing in Virtualization Station
- Combining virtual machines and containers in the same virtual switch
- Network Address Translation (NAT)
- Spanning Tree Protocol (STP)
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| Helpdesk |
- Reporting of issues to the QNAP support team, including automatic collection of system information
- Remote connection between QNAP support engineers and NAS for issue resolution (with user permission)
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| Security |
- Network access protection with auto-blocking (SSH, Telnet, HTTP(S), FTP, CIFS/SMB, and AFP)
- Host access control for shared folders (CIFS)
- FIPS 140-2 validated AES 256-bit volume-based and shared folder data encryption (FIPS)
- 256-bit external drive encryption (AES)
- Importing of SSL certificates from Let’s Encrypt
- Instant alerts through email, SMS, push service, audio, and LCD panel
- 2-step verification
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| Web Administration |
- Multi-window, multi-tasking system management
- Smart toolbar and dashboard for system status display
- Dynamic DNS (DDNS)
- SNMP versions 2 and 3
- Resource monitor
- Network recycle bin for file deletion (AFP, CIFS/SMB, and File Station)
- Automatic cleanup
- File type filter
- Comprehensive logs (events & connection)
- Syslog server and client
- Back up and restoration of system settings
- Qmanager: Mobile application for remote system monitoring and management
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| Storage Management |
- Storage space utilization monitoring
- Flexible volumes and LUNs with thin provisioning and space reclaiming
- Disk volume types: RAID 0,1, 5, 6, 10, 5+spare, JBOD, single
- Storage pools
- Snapshots
Note: This feature requires 4 GB of system memory.
- Volume and LUN snapshots
- Snapshot Manager
- Snapshot cloning
- Snapshot Vault
- Snapshot Replica
- Unify Snapshot Directory
- Support for previous Windows versions (SMB)
- Snapshot Agent for Microsoft Windows and VMware vSphere
- Online volume expansion
- Online storage pool expansion
- Online RAID capacity expansion and online RAID level migration
- SMART data migration
- Storage expansion through QNAP expansion units (UX-500P and UX-800P)
- JBOD enclosure roaming
- SSD read-only or read-write cache
Note:
-The cache size depends on the total memory.
-Bad block scan and hard drive S.M.A.R.T.
-Bad block recovery and RAID recovery
-Bitmap support |
Powerful All-in-one server
| File Server |
- File sharing across Windows, Mac, and Linux/UNIX
- Microsoft networking
- Windows ACL
- Advanced folder permissions (AFP, CIFS/SMB, and FTP)
- Shared folder aggregation (CIFS/SMB)
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| iSCSI (IP SAN) |
- iSCSI targets with multiple LUNs
Note: The maximum total number of targets & LUN is 256.
- LUN mapping and masking
- Online LUN capacity expansion
- SPC-3 persistent reservation
- MPIO & MC/S
- iSCSI LUN backup, one-time snapshot, and restoration
- iSCSI connection and management using Qfinder Pro for Windows
- Virtual disk drive using iSCSI initiator
Note: The maximum number of virtual disk drives is 8.
- Stack chaining master
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| FTP Server |
- FTP over SSL/TLS (explicit)
- FXP support
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| Surveillance Station |
- Support for over 3,000 IP cameras
- 2 free camera licenses
Note: The application supports a maximum of 40 camera channels. You can purchase additional licenses on the QNAP website (license.qnap.com).
- Instant playback for checking of recent events
- Visual aid using e-map
- Playback and speed control using the shuttle bar
- Video preview on playback timeline
- Intelligent video analytics (IVA) for advanced video searching
- Surveillance client for Mac
- Vmobile: Mobile surveillance application for iOS and Android
- Vcam: Mobile recording application for iOS and Android
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| File Station |
- Cloud drive mounting for Google Drive, Dropbox, Microsoft OneDrive, Microsoft OneDrive for Business, HiDrive, Amazon Cloud Drive, Yandex Disk and Box
- Remote shared folder mounting (CIFS/SMB, FTP, and WebDAV)
- Document viewing using Office Online, Google Docs, and Chrome extension
- Microsoft Office file editing using Google Docs, Sheets, and Slides
- Mounting of a maximum of 256 ISO files
- Read access for compatible optical disc drives
- Read access for compatible smartphones (MTP)
- Download and upload link sharing
- File dragging and dropping (Chrome and Firefox)
- Photos, video, and music preview and playback with hardware-accelerated transcoding
- File compression (ZIP and 7z)
- Download link creation and sending for publicly shared files with expiration date and password protection
- Subtitle display (SRT and UTF-8)
- Video seeking during on-the-fly transcoding video playback3
- Slideshow playback in media viewer
- Qfile: Mobile app for file browsing and management
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| QVPN Service |
- VPN server
- Secure remote access with PPTP, L2TP/IPSec, and OpenVPN services
- Support for a maximum of 100 clients
- Support for domain users
- VPN client
- Support for PPTP, L2TP/IPSec, and OpenVPN VPN protocols
- OVPN file importing for creation of OpenVPN connections
Note: QVPN combines an integrated VPN Server, a VPN client, and L2TP/IPSec VPN services. |
| Qfiling |
- Auto filing
- Recipe function
- Archiving through iSCSI, USB, DVD and remote NAS
- Advanced settings
- File deletion
- Intelligent subtitle filing for videos
- Data integrity check
- File conflict policy
Note: This feature requires at least 2 GB of memory. |
| DLNA Server |
- Support for DLNA/UPnP TVs and players such as PlayStation 4 and Xbox One
- Support for CUE indexing file for APE and FLAC
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| Transcode Management |
- Video transcoding (240p, 360p, 480p, 720p and 1080p resolution)
- Automatic video transcoding for watched folders
- Hardware-accelerated transcoding
- Embed subtitles into videos for background transcoding
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| Q’center (NAS CMS) |
- Monitoring of multiple NAS devices
- Utilization history reports
- Unified configuration management
- Monitoring of NAS devices behind NAT routers with Connect to Q’center
Note: The application is available in the App Center and in virtual appliance marketplaces (VMware vSphere ESXi and Microsoft Hyper-V). |
| Hybrid Backup Sync |
- Cloud storage backup to Amazon S3, Amazon Glacier, Microsoft Azure, Google Cloud Storage, Openstack Swift, WebDAV, and HKBN
- Cloud storage syncing with Microsoft OneDrive, Google Drive, Dropbox, Amazon Drive, Yandex Disk, Box, hubiC, BackBlaze B2, Amazon S3, and HiDrive
- RTRR server & client with bandwidth control
- Rsync server with download bandwidth control
- Remote server syncing (CIFS/SMB, FTP, Rsync, and RTRR)
- Scheduled backup to local and remote storage spaces
- Backup versioning (RTRR)
- Encryption, compression, and file filters
- Centralized management for backup, restoration, and sync jobs
- Support for Apple Time Machine
- Data backup to multiple external storage devices
- Desktop backup with QNAP NetBak Replicator for Windows
- Support for third-party backup software such as Veeam Backup & Replication, Acronis True Image, Arcserve Backup, Retrospect, and Backup Exec
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| OceanKTV |
- YouTube video streaming
- Sorting by artist, language, and favorites
- Effects such as tuning echo, key, and applause
- Playlist control with a mobile application
- Support for keyboard and remote control (RM-IR002 and RM-IR004)
Note: This feature requires at least 4 GB of memory and a QNAP KAB-001 audio box accessory. |
| Cloud Drive Sync |
- Multiple cloud accounts
- Management of cloud drive accounts such Google Drive, Dropbox, OneDrive, and hubiC
- Manual, scheduled, periodic and continuous sync
- Flexible file filtering using type, date, and size
- SSL transfer encryption
- Dashboard and job statistics
- Configurable network error recovery options
- Extensive job activity logging for tracing history of status and statistics
- Concurrent job execution and multi-threaded data transfer
- Bandwidth throttling for individual accounts
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| Qfinder Pro |
- QNAP NAS location on the same local network
- NAS shared folders mounting
- Basic setting configuration (firmware, SMTP server, and network settings)
- Storage Plug & Connect (Windows only)
- Creation and mapping of NAS shared folders
- Creation of and connection to iSCSI targets and LUNs
- Media upload (Windows only)
- Media file upload to the NAS
- Automatic creation of thumbnails or transcoding of videos using the computer
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| Cloud Backup Station |
- S3 Plus (including Amazon S3)
- Amazon Glacier
- Google Cloud Storage
- WebDAV-based cloud storage
- Microsoft Azure
- OpenStack Swift
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| App Center |
- Official and community software add-ons
- Automatic updates and notifications for new versions
- Repository for imported third-party content
- User-specified volume for storing applications
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| Print Server |
- Support for three printers
- Internet Printing Protocol
- Print job display and management
- IP-based and domain name-based privilege control
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| AirPlay & Chromecast |
- Video, photo and music streaming to Apple TV or Chromecast using the following:
- NAS applications: File Station, Music Station, Photo Station, and Video Station
- Mobile applications: Qfile, Qmusic, Qphoto, and Qvideo
Note: You must install the Media Streaming add-on app from the QTS App Center. |
| Photo Station |
- Photo organization by thumbnail, list, timeline, or folder
- Virtual and smart albums
- Validity control for album sharing
- Photo tagging with text, colors, and ratings
- Slideshows with background music and different transition effects
- Photo geotagging and display on Google Maps
- Photo and video uploading to Picasa, Flickr, and Weibo
- Album configuration back up and restoration
- Advanced folder permissions
- Support for domain users
- Photo Station Extension: Supports face detection and PDF to image
Note: This feature is available only for x86-based models.
- Qphoto: Mobile application for online browsing and sharing
|
| Download Station |
- PC-less downloads (BitTorrent, FlashGet, FTP/FTPS, HTTP/HTTPS, QQDL, and Thunder)
Note:
- The application supports a maximum of 500 tasks.
- The maximum number of concurrent downloads is: 90 (30 BT/PT, 30 HTTP, 30 FTP)
- BitTorrent: Support for search, magnet links, private trackers, and proxy
- Scheduled download and bandwidth control
- RSS subscription and download (broadcatching)
- Support for add-ons that extend download functionality
- Qget: Mobile application for download browsing and management
|
| Music Station |
- Music playing and sharing through web browsers
- Music streaming to multiple devices
- Changing of album covers through Google search or by uploading photos
- Internet radio (MP3)
- Eight music alarms
- Switching between spotlight mode and manage mode
- Advanced search
- Scrolling lyrics
- Qmusic: Mobile application for music streaming and management
|
| Notes Station 3 |
- Multi-user text editing using the collaborative editor
- Table creation using the spreadsheet editor
- Online quick preview of multimedia attachments
- Smart snapshot for version control
|
| iTunes Server |
- Audio and video sharing for Windows & Mac iTunes
|
| HD (HybridDesk) Station 3.13 |
- Photo, video, and music playback on TV through HDMI
- Support for Chrome and Firefox
- Support for international keyboards and mouse input
- User login permissions
Note: The decoding capability of the CPU and graphics card may affect playback of some video files. |
| Video Station |
- Video organization by thumbnails, list, timeline, or folder
- Virtual and smart collections
- Video tagging with text, colors, and ratings
- Video link sharing through social media and email
- Movie information and poster display from Internet sources or user-uploaded files
- Subtitle display (SRT, ASS, SSA)
- Subtitle search and downloading
- Subtitle file importing
- Subtitle display style adjustment
- Playback speed adjustment
- Direct video streaming for certain file formats
- Facebook login
- Advanced folder permissions
- Support for LDAP users
- Video uploading to YouTube and Youku
- Multi-zone video display
- Video-seeking support for video playback during on-the-fly transcoding
- Qvideo: Mobile appplication for online video browsing and management
|
| Linux Station |
- Ubuntu Kylin installation and usage of the NAS as a Linux-based computer
- Application downloading and usage from the Ubuntu Software Center
- Remote desktop for remote monitoring and accessing of Ubuntu
Note: The application requires at least 4 GB of memory and installation of Container Station. |
| Virtualization Station |
- Virtual machine creation (Windows, Linux, Unix, and Android)
- Virtual machine importing, exporting, cloning, snapshot capturing, backup, and restoration
- Console display using HDMI output (QVM)
- HTML5-based shared remote console
|
| Qcontactz |
- One-way scheduled sync of contacts from multiple Google accounts
- Contact importing from CSV or vCard 3.0 files
- Contact exporting to CSV or vCard 3.0 files
- Duplicate contact searching and merging
- Snapshot management for contacts database
- Contact management: Groups, favorites, lock, search, delete and restore
- Support for Android and iOS
|
| Container Station |
- Support for LXC and Docker
Note: Docker containers support Bridge, NAT, and Host mode. Linux containers (LXC) support only NAT.
- Application downloading from the built-in Docker Hub Registry
- Container importing and exporting
- Console mode
- Three networking modes (Bridge, NAT, and Host)
- Auto-start containers
- Docker certificate downloading
- Private registry addition
- Application repository for switching to any repository on GitHub.com
|
| IFTTT Agent |
- Daily task automation
- Social media data archiving
- File synchronization between the NAS and various cloud services
- System event notifications on Line, Skype, Gmail, and mobile phones
- Music playback on Music Station using Amazon Echo voice commands
- Usage of motion detection sensors as trigger for camera recording on Surveillance Station
|
| Qsirch |
- Full-text search
- Data distribution using a bar chart
- Previews for photos, music, videos, PDFs, Gmail, and others
- Advanced search operators and search scope
- Customized search filters (included or excluded conditions)
- Related files suggestion in Viewer
- Customized search filters
- Search Chrome extension
Note: This feature requires at least 2 GB of memory. |
| General Notes |
- Designs and specifications are subject to change without notice.
- QTS does not support DRM content and some IPv6 services.
- Some data encryption features may be unavailable because of country-specific legislative restrictions.
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QNAP TS-251+ (Plus Series) Datasheet (5,46 MB)
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