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QNAP TS-251+-2G 2-bay NAS


CPU
Quad-Core  Intel® Celeron® 2.0GHz (burst up to 2.42GHz)
System memory
2GB DDR3L RAM (1 x 2GB)  (Expandable RAM, up to 8GB)
Flash Memory
512MB
Hard Disk Drive
2 x 2.5" or  3.5" SATA 6Gb/s, 3Gb/s HDD or SSD; hot swappable trays
    (Exclude Hard drive :ลูกค้าต้องซื้อมาเพิ่มเอง)
USB Port
2 x USB 3.0 (Front:  1, Rear: 1)
2 x USB 2.0 (Rear)
LAN Port
2 x Gigabit RJ-45 Ethernet port
RAID Support
JBOD, RAID 0, 1
IP Camera  Support
Included 2 (up to 40  channels via optional purchase)
Power Supply
External Power Adapter,  60W, 100-240V
      
ราคาราคา
16,590.00
13,900.00 บาทบาท

รายละเอียดสินค้า  QNAP TS-251+-2G 2-bay NAS




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.


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 Simple and efficient

Thanks to the intuitive user interface of QTS, 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.

Learn more: QTS

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.

Learn more: Virtualization StationP2V


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.
Learn more: Container Station




Real-time & offline video transcoding*

The TS-251+ delivers superior real-time video transcoding (up to 4K H.264) 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.

* Note:

  1. Which video formats support hardware acceleration?
  2. Supported video formats depend on the hardware and software specifications of the devices. Playback capability and quality may vary due to factors including the original file formats/quality, hardware and software limitations, and output devices.

Learn more: DLNA, Video Station, Qfile

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.

Learn more: DLNA, AirPlay, Plex Media Server


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.

Learn more: Qsirch

Qsirch

QNAP

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.
Learn more: ISO share, Syslog service, Antivirus



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.

Learn more: File Station

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.

Learn more: NetBak Replicator, Time Machine backup, External device backup
Third-party backup software compatibility
QNAP


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.

Learn more: RTRR, rsync, Cloud storage backup

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.

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.

Learn more: Encrypted access, IP blocking, Hard drive encryption

QNAP

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.



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.

Learn more: Surveillance Station, Vmobile

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.
Learn more: Qfile, Qmanager, Qnotes, Qmusic, Qphoto, Qvideo

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+.

Learn more: App Center

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

                                      

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.

Learn more: QNAP expansion 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.

Learn more: S3 sleep mode, Scheduled power on/off or reset, Hard disk standby, Wake on LAN

QNAP

Easy-to-use NAS management tools

The TS-251+ provides comprehensive system tools to increase management efficiency.


Instant Alert Notifications

Resource Monitor

Wake on LAN
With the SMTP and SMS settings on the Turbo NAS, system administrators will get notifications via SMS or email if an error occurs.
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 email notifications for administrators to take action. The HHD Health Scanning technology can also examine hard drive status and prevent possible data loss.
Scheduled Power on/off

S.M.A.R.T. & Advanced Hard Drive Health Scan (HHS)

Comprehensive Event Logs


Additional features

The TS-251+ supports various applications for home offices as an all-in-one Turbo NAS with cost-efficiency.

FTP Server

Web Server

RADIUS 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 the single one Turbo NAS for reduced IT costs.
QTS also supports VPN Client for PPTP and OpenVPN to protect your privacy during data transmission.
VPN Client

Printer Server

Surveillance Station

Click here to learn more about other business features.

Ordering Information

  • TS-251+-2G: TS-251+ with 2GB DDR3L RAM
  • TS-251+-8G: TS-251+ with 8GB DDR3L RAM


Optional Accessory

DDR type: DDRⅢL(204 PIN)
Capacity: 2GB
Spec: SAMSUNG 256M X 8
Manufacturer: TRANSCEND
Frequency: 1600
Form(PIN): 204PIN
Manufacturer P/N: TS256MSK64W6N SAMSUNG
Power Supply: 1.35V
Temperature: 0℃~85℃
Environmental Regulation: RoHS
Note: Make sure all DIMMs meet the requirements for your NAS model (the information listed in product specifications).

DDR type: DDRⅢL(204 PIN)
Capacity: 4GB
Spec: SAMSUNG 512M X 8
Manufacturer: TRANSCEND
Frequency: 1600
Form(PIN): 204PIN
Manufacturer P/N: TS512MSK64W6H SAMSUNG
Power Supply: 1.35V
Temperature: 0℃~85℃
Environmental Regulation: RoHS
Note: Make sure all DIMMs meet the requirements for your NAS model (the information listed in product specifications).

OceanKTV Audio Box



      

Specification TS-251+-2G

CPUQuad-Core Intel® Celeron® 2.0GHz (burst up to 2.42GHz)
Floating Point Unit
V
GPUIntel® HD Graphics
Hardware-Acclerated TranscodingV
MemorySystem 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 Memory512MB
Drive2 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 UnitMax. 1 (UX-800P, UX-500P)
Gigabit LAN Ports2
USB2 x USB 3.0 (Front: 1, Rear: 1)
2 x USB 2.0 (Rear)
IR ReceiverYes (QNAP RM-IR002 remote control)
HDMI1
LED IndicatorsPower/Status, LAN, USB, HDD1-2
ButtonsPower, Reset, USB Auto Copy
Alarm BuzzerSystem warning
Form FactorTower
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 Fan1 x 7cm, 12V DC
Kensington Security Slot1
Power SupplyExternal 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)
Temperature0 - 40 °C
Humidity5~95% RH non-condensing, wet bulb: 27˚C




SOFTWARE SPEC

Operating System
QTS 4.3 (embedded Linux)
Power Management
  1. Wake on LAN
  2. Standby mode for internal drives
  3. Scheduled power on and off
  4. Automatic power on after power recovery
  5. USB and network UPS support with SNMP management
  6. System sleep mode (S3)
Supported Client Operating Systems
  1. Apple Mac OS 10.7 or later
  2. Linux and UNIX
  3. Microsoft Windows 7, 8, and 10
  4. Microsoft Windows Server 2003, 2008 R2, 2012, 2012 R2 and 2016
Access Rights Management
  1. Multiple user creation
  2. User data importing and exporting
  3. User quota management
  4. Local user access control (AFP, CIFS, FTP, and WebDAV)
  5. Application access control (File Station, Music Station, Photo Station, and Video Station)
  6. Subfolder permissions (AFP, CIFS/SMB, FTP, and File Station)
Supported Browsers
  1. Apple Safari 7 or later
  2. Google Chrome
  3. Microsoft Internet Explorer 10 or later
  4. Mozilla Firefox
Domain Authentication
  1. Microsoft Active Directory (AD) and domain controller
  2. LDAP server and client
  3. Domain user login (AFP, CIFS/SMB, FTP, and File Station)
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
  1. Free host name registration (DDNS)
  2. Optional myQNAPcloud SSL certificates (DDNS)
  3. Auto router configuration through UPnP
  4. Web-based file manager with HTTPS 2048-bit encryption
  5. CloudLink for remote access without complex router setup
  6. Easy VPN connection (Windows VPN utility)
Supported File Systems
  1. Internal hard drive (EXT4)
  2. External hard drive (EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT)
Note: You can purchase exFAT driver licenses on the License Center.
Qsync
  1. File syncing across multiple devices with SSL secure connection
  2. Selective synchronization for specific folders
  3. Team folders as file center for better collaboration
    Note: The maximum number of sync tasks is 32.
  4. File sharing through email links
  5. Policy settings for conflicting files and file type filter
  6. Version control for a maximum of 64 versions
  7. Unified privilege and configuration management
  8. Central configuration mode
  9. Remote erase and restore
  10. Windows and Mac OS support
Networking
  1. TCP/IP: Dual stack (IPv4 and IPv6)
  2. Jumbo frame (failover, multi-IP settings, port trunking, and NIC teaming)
  3. Service binding based on network interfaces
  4. Squid web caching proxy
  5. Proxy client
  6. DHCP server and client
  7. Protocols: CIFS/SMB, AFP v3.3, NFS v3, FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
  8. UPnP and Bonjour Discovery
  9. USB Wi-Fi adapter
Resource Monitor
  1. Monitoring of NAS system resources such as CPU, memory and network
  2. Monitoring of NAS storage resources such as volumes, RAID, and disk activity
  3. Monitoring of resource usage by NAS applications
  4. Creation of extra swap space when SSDs are installed
Network & Virtual Switch
  1. TCP/IP: Dual stack (IPv4 and IPv6)
  2. Jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
  3. DHCP server and client
  4. USB Wi-Fi adapter
    Note: This feature does not support ad hoc networks because of security considerations.
  5. Virtual switch
  6. Virtual switch editing in Virtualization Station
  7. Combining virtual machines and containers in the same virtual switch
  8. Network Address Translation (NAT)
  9. Spanning Tree Protocol (STP)
Helpdesk
  1. Reporting of issues to the QNAP support team, including automatic collection of system information
  2. Remote connection between QNAP support engineers and NAS for issue resolution (with user permission)
Security
  1. Network access protection with auto-blocking (SSH, Telnet, HTTP(S), FTP, CIFS/SMB, and AFP)
  2. Host access control for shared folders (CIFS)
  3. FIPS 140-2 validated AES 256-bit volume-based and shared folder data encryption (FIPS)
  4. 256-bit external drive encryption (AES)
  5. Importing of SSL certificates from Let’s Encrypt
  6. Instant alerts through email, SMS, push service, audio, and LCD panel
  7. 2-step verification
Web Administration
  1. Multi-window, multi-tasking system management
  2. Smart toolbar and dashboard for system status display
  3. Dynamic DNS (DDNS)
  4. SNMP versions 2 and 3
  5. Resource monitor
  6. Network recycle bin for file deletion (AFP, CIFS/SMB, and File Station)
  7. Automatic cleanup
  8. 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
Storage Management
  1. Storage space utilization monitoring
  2. Flexible volumes and LUNs with thin provisioning and space reclaiming
  3. Disk volume types: RAID 0,1, JBOD, single
  4. Storage pools
  5. 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
  6. Online volume expansion
  7. Online storage pool expansion
  8. Online RAID capacity expansion and online RAID level migration
  9. SMART data migration
  10. Storage expansion through QNAP expansion units (UX-500P and UX-800P)
  11. JBOD enclosure roaming
  12. 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
  1. File sharing across Windows, Mac, and Linux/UNIX
  2. Microsoft networking
  3. Windows ACL
  4. Advanced folder permissions (AFP, CIFS/SMB, and FTP)
  5. Shared folder aggregation (CIFS/SMB)
iSCSI (IP SAN)
  1. iSCSI targets with multiple LUNs
    Note: The maximum total number of targets & LUN is 256.
  2. LUN mapping and masking
  3. Online LUN capacity expansion
  4. SPC-3 persistent reservation
  5. MPIO & MC/S
  6. iSCSI LUN backup, one-time snapshot, and restoration
  7. iSCSI connection and management using Qfinder Pro for Windows
  8. Virtual disk drive using iSCSI initiator
    Note: The maximum number of virtual disk drives is 8.
  9. Stack chaining master
FTP Server
  1. FTP over SSL/TLS (explicit)
  2. FXP support
Surveillance Station
  1. Support for over 3,000 IP cameras
  2. 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).
  3. Instant playback for checking of recent events
  4. Visual aid using e-map
  5. Playback and speed control using the shuttle bar
  6. Video preview on playback timeline
  7. Intelligent video analytics (IVA) for advanced video searching
  8. Surveillance client for Mac
  9. Vmobile: Mobile surveillance application for iOS and Android
  10. Vcam: Mobile recording application for iOS and Android
File Station
  1. Cloud drive mounting for Google Drive, Dropbox, Microsoft OneDrive, Microsoft OneDrive for Business, HiDrive, Amazon Cloud Drive, Yandex Disk and Box
  2. Remote shared folder mounting (CIFS/SMB, FTP, and WebDAV)
  3. Document viewing using Office Online, Google Docs, and Chrome extension
  4. Microsoft Office file editing using Google Docs, Sheets, and Slides
  5. Mounting of a maximum of 256 ISO files
  6. Read access for compatible optical disc drives
  7. Read access for compatible smartphones (MTP)
  8. Download and upload link sharing
  9. File dragging and dropping (Chrome and Firefox)
  10. Photos, video, and music preview and playback with hardware-accelerated transcoding
  11. File compression (ZIP and 7z)
  12. Download link creation and sending for publicly shared files with expiration date and password protection
  13. Subtitle display (SRT and UTF-8)
  14. Video seeking during on-the-fly transcoding video playback3
  15. Slideshow playback in media viewer
  16. Qfile: Mobile app for file browsing and management
QVPN Service
  1. VPN server
    • Secure remote access with PPTP, L2TP/IPSec, and OpenVPN services
    • Support for a maximum of 300 clients
    • Support for domain users
  2. 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
  1. Auto filing
  2. Recipe function
  3. Archiving through iSCSI, USB, DVD and remote NAS
  4. 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
  1. Support for DLNA/UPnP TVs and players such as PlayStation 4 and Xbox One
  2. Support for CUE indexing file for APE and FLAC
Transcode Management
  1. Video transcoding (240p, 360p, 480p, 720p and 1080p resolution)
  2. Automatic video transcoding for watched folders
  3. Hardware-accelerated transcoding
  4. Embed subtitles into videos for background transcoding
Q’center (NAS CMS)
  1. Monitoring of multiple NAS devices
  2. Utilization history reports
  3. Unified configuration management
  4. 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
  1. Cloud storage backup to Amazon S3, Amazon Glacier, Microsoft Azure, Google Cloud Storage, Openstack Swift, WebDAV, and HKBN
  2. Cloud storage syncing with Microsoft OneDrive, Google Drive, Dropbox, Amazon Drive, Yandex Disk, Box, hubiC, BackBlaze B2, Amazon S3, and HiDrive
  3. RTRR server & client with bandwidth control
  4. Rsync server with download bandwidth control
  5. Remote server syncing (CIFS/SMB, FTP, Rsync, and RTRR)
  6. Scheduled backup to local and remote storage spaces
  7. Backup versioning (RTRR)
  8. Encryption, compression, and file filters
  9. Centralized management for backup, restoration, and sync jobs
  10. Support for Apple Time Machine
  11. Data backup to multiple external storage devices
  12. Desktop backup with QNAP NetBak Replicator for Windows
  13. Support for third-party backup software such as Veeam Backup & Replication, Acronis True Image, Arcserve Backup, Retrospect, and Backup Exec
OceanKTV
  1. YouTube video streaming
  2. Sorting by artist, language, and favorites
  3. Effects such as tuning echo, key, and applause
  4. Playlist control with a mobile application
  5. 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
  1. Multiple cloud accounts
  2. Management of cloud drive accounts such Google Drive, Dropbox, OneDrive, and hubiC
  3. Manual, scheduled, periodic and continuous sync
  4. Flexible file filtering using type, date, and size
  5. SSL transfer encryption
  6. Dashboard and job statistics
  7. Configurable network error recovery options
  8. Extensive job activity logging for tracing history of status and statistics
  9. Concurrent job execution and multi-threaded data transfer
  10. Bandwidth throttling for individual accounts
Qfinder Pro
  1. QNAP NAS location on the same local network
  2. NAS shared folders mounting
  3. Basic setting configuration (firmware, SMTP server, and network settings)
  4. Storage Plug & Connect (Windows only)
    • Creation and mapping of NAS shared folders
    • Creation of and connection to iSCSI targets and LUNs
  5. Media upload (Windows only)
    • Media file upload to the NAS
    • Automatic creation of thumbnails or transcoding of videos using the computer
Cloud Backup Station
  1. S3 Plus (including Amazon S3)
  2. Amazon Glacier
  3. Google Cloud Storage
  4. WebDAV-based cloud storage
  5. Microsoft Azure
  6. OpenStack Swift
App Center
  1. Official and community software add-ons
  2. Automatic updates and notifications for new versions
  3. Repository for imported third-party content
  4. User-specified volume for storing applications
Print Server
  1. Support for three printers
  2. Internet Printing Protocol
  3. Print job display and management
  4. IP-based and domain name-based privilege control
AirPlay & Chromecast
  1. 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
  2. Note: You must install the Media Streaming add-on app from the QTS App Center.
Photo Station
  1. Photo organization by thumbnail, list, timeline, or folder
  2. Virtual and smart albums
  3. Validity control for album sharing
  4. Photo tagging with text, colors, and ratings
  5. Slideshows with background music and different transition effects
  6. Photo geotagging and display on Google Maps
  7. Photo and video uploading to Picasa, Flickr, and Weibo
  8. Album configuration back up and restoration
  9. Advanced folder permissions
  10. Support for domain users
  11. Photo Station Extension: Supports face detection and PDF to image
    Note: This feature is available only for x86-based models.
  12. Qphoto: Mobile application for online browsing and sharing
Download Station
  1. 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)
  2. BitTorrent: Support for search, magnet links, private trackers, and proxy
  3. Scheduled download and bandwidth control
  4. RSS subscription and download (broadcatching)
  5. Support for add-ons that extend download functionality
  6. Qget: Mobile application for download browsing and management
Music Station
  1. Music playing and sharing through web browsers
  2. Music streaming to multiple devices
  3. Changing of album covers through Google search or by uploading photos
  4. Internet radio (MP3)
  5. Eight music alarms
  6. Switching between spotlight mode and manage mode
  7. Advanced search
  8. Scrolling lyrics
  9. Qmusic: Mobile application for music streaming and management
Notes Station 3
  1. Multi-user text editing using the collaborative editor
  2. Table creation using the spreadsheet editor
  3. Online quick preview of multimedia attachments
  4. Smart snapshot for version control
iTunes Server
  1. Audio and video sharing for Windows & Mac iTunes
HD (HybridDesk) Station 3.13
  1. Photo, video, and music playback on TV through HDMI
  2. Support for Chrome and Firefox
  3. Support for international keyboards and mouse input
  4. User login permissions
Note: The decoding capability of the CPU and graphics card may affect playback of some video files.
Video Station
  1. Video organization by thumbnails, list, timeline, or folder
  2. Virtual and smart collections
  3. Video tagging with text, colors, and ratings
  4. Video link sharing through social media and email
  5. Movie information and poster display from Internet sources or user-uploaded files
  6. Subtitle display (SRT, ASS, SSA)
  7. Subtitle search and downloading
  8. Subtitle file importing
  9. Subtitle display style adjustment
  10. Playback speed adjustment
  11. Direct video streaming for certain file formats
  12. Facebook login
  13. Advanced folder permissions
  14. Support for LDAP users
  15. Video uploading to YouTube and Youku
  16. Multi-zone video display
  17. Video-seeking support for video playback during on-the-fly transcoding
  18. Qvideo: Mobile appplication for online video browsing and management
Linux Station
  1. Ubuntu Kylin installation and usage of the NAS as a Linux-based computer
  2. Application downloading and usage from the Ubuntu Software Center
  3. 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
  1. Virtual machine creation (Windows, Linux, Unix, and Android)
  2. Virtual machine importing, exporting, cloning, snapshot capturing, backup, and restoration
  3. Console display using HDMI output (QVM)
  4. HTML5-based shared remote console
Qcontactz
  1. One-way scheduled sync of contacts from multiple Google accounts
  2. Contact importing from CSV or vCard 3.0 files
  3. Contact exporting to CSV or vCard 3.0 files
  4. Duplicate contact searching and merging
  5. Snapshot management for contacts database
  6. Contact management: Groups, favorites, lock, search, delete and restore
  7. Support for Android and iOS
Container Station
  1. Support for LXC and Docker
    Note: Docker containers support Bridge, NAT, and Host mode. Linux containers (LXC) support only NAT.
  2. Application downloading from the built-in Docker Hub Registry
  3. Container importing and exporting
  4. Console mode
  5. Three networking modes (Bridge, NAT, and Host)
  6. Auto-start containers
  7. Docker certificate downloading
  8. Private registry addition
  9. Application repository for switching to any repository on GitHub.com
IFTTT Agent
  1. Daily task automation
  2. Social media data archiving
  3. File synchronization between the NAS and various cloud services
  4. System event notifications on Line, Skype, Gmail, and mobile phones
  5. Music playback on Music Station using Amazon Echo voice commands
  6. Usage of motion detection sensors as trigger for camera recording on Surveillance Station
Qsirch
  1. Full-text search
  2. Data distribution using a bar chart
  3. Previews for photos, music, videos, PDFs, Gmail, and others
  4. Advanced search operators and search scope
  5. Customized search filters (included or excluded conditions)
  6. Related files suggestion in Viewer
  7. Customized search filters
  8. Search Chrome extension
Note: This feature requires at least 2 GB of memory.
General Notes
  1. Designs and specifications are subject to change without notice.
  2. QTS does not support DRM content and some IPv6 services.
  3. Some data encryption features may be unavailable because of country-specific legislative restrictions.
Web Server
  1. HTTP/HTTPS Connections
  2. Supports WebDAV Connection
  3. Supports Virtual Host (Max: 32)
  4. Importable SSL Certificate


PACKAGE CONTENT


TS-251+
Ethernet cable x 2
Quick installation guide (QIG)
Flat head screw x 8 (for 3.5" HDD)
Flat head screw x 6 (for 2.5" HDD)
AC Adapter:
SP-2BAY-ADAPTOR
 
Power cord x 1
IR Remote Control:
RM-IR002
 

Optional Accessory


RAM-2GDR3L-SO-1600
RAM-4GDR3L-SO-1600
KAB-001


      

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