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£309.36
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QNAP TS-251A-4G 2-Bay NAS with 4GB DDR3 RAM

Dual-core NAS featuring USB QuickAccess port for direct access to files

by QNAP
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Part No:FETS-251A-4G
Manufacturer No:TS-251A-4G
Delivery:In Stock: Next Day
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    QNAP TS-251A-4G 2-Bay NAS with 4GB DDR3 RAM
    Dual-core NAS featuring USB QuickAccess port for direct access to files
    The TS-251A provides the innovative USB QuickAccess port that allows you to quickly complete the first-time NAS installation and to then directly access files and data stored on the NAS. It also supports two additional transmission modes: Ethernet NAS mode and iSCSI SAN block-based mode. Combining USB QuickAccess, NAS and iSCSI-SAN into one box, the TS-251A is a powerful but easy-to-use storage solution ideal for backup, synchronization, remote access, and entertainment. It greatly helps to boost productivity and can meet the demands of photographers and audiovisual enthusiasts for direct, quick access to files. The TS-251A is powered by a high-performance 14nm Intel® Celeron® N3060 dual-core 1.6GHz processor, and supports 4K video playback and transcoding.
    • Excellent system performance, ideal for centralised management, file sharing and backup
    • USB QuickAccess port for accessing files without needing a network connection
    • Supports 4K hardware decoding and transcodes 4K H.264 videos on-the-fly or offline
    • Enjoy the best audio-visual experience with HDMI output and the free remote control
    • Build a personal karaoke system with OceanKTV
    • Linux Station supports Ubuntu® with direct output via HDMI
    • A hybrid approach to virtualisation: Virtualisation Station & Container Station
    • Supports Virtual JBOD (VJBOD) to maximize the storage utilisation of multiple QNAP NAS units

    14nm Intel® Celeron® N3060 dual-core CPU and hardware-accelerated encryption engine

    The TS-251A is powered by an advanced 14nm Intel® Celeron® dual-core 1.6GHz processor that features low TDP (only 6 watts) and can automatically burst up to 2.48GHz. Coupled with dual-channel 2/4GB DDR3L-1600 dual-channel RAM (upgradable to 8GB), dual Gigabit LAN ports, and SATA 6Gb/s, the TS-251A can deliver up to 211.88 MB/s throughput for optimizing mission-critical tasks while still being energy efficient. The TS-251A also features Intel® AES-NI hardware-accelerated encryption to deliver up to 209.13 MB/s throughput with AES 256-bit throughput with AES-NI encryption for both full NAS volume and shared folders, boosting system performance & security while ensuring the safety of sensitive business data stored in the NAS.

    Throughput (2 x GbE) AES 256-bit encryption (2 x GbE)

    TS-251A Fast Download Speeds

    Test Environment:NAS: 251A
    OS: QTS 4.2.2
    Volume type: RAID 1; 2 x Seagate 1TB ST1000NM0033 HDDs: NAS and PCs are connected.
    Client PCs:
    Intel® Core™ i7-4770 3.40GHz CPU; DDR3L 1600Hz 16GB; WD 1TB WD10EZEX;
    Intel Gigabit CT( MTU 1500 ) ; Windows® 7 Professional 64bit SP1 & Windows 8.1 Pro 64-bit
    IOMeter configuration: Multiple PCs via switch. Transferring 32GB file continuously to NAS for 3 minutes. Block size: 64KB for SMB2.0

    Tested in QNAP Labs. Figures may vary by environment.

    Restore files with Snapshot for Volume & LUN

    QTS Storage Manager features an easy-to-use web-based snapshot tool to easily backup and restore data on the TS-251A back to any point of time in the event of data loss. You can take snapshots for volumes and LUN (up to 64 snapshots per volume/LUN and maximum 256 snapshots per NAS), efficiently replicate volume/LUN snapshots via Snapshot Replica to remote servers by copying only the changes made, and quickly clone a volume /LUN snapshot as a local volume without interrupting current system operations. You can even set up the system to automatically take a snapshot of the volume before backup via RTRR/rsync, even if files are opened.

    Fast Disaster Recovery with Snapshots



    Cross-platform file sharing, centralised data storage

    The TS-251A supports SMB/CIFS, NFS, and AFP protocols for file sharing across Windows®, Mac®, Linux®/UNIX® networks. Data, logs and ISO images of CDs and DVDs can be centrally stored on the TS-251A and protected by an integrated antivirus solution. The Windows AD® and LDAP services enable system administrators to configure user permissions by using an existing Windows AD server, LDAP server or the built-in LDAP service.

    Enjoy media freely with multi-zone multimedia controls

    Enjoy media freely with multi-zone multimedia controls


    Use a TS-251A 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 stored on the TS-251A to HDMI, DLNA®, Apple TV®, Chromecast™* , Roku®, Amazon® Fire TV or to the devices connected to the TS-251A (music streaming only) through Bluetooth® & USB. With Plex Media Server, the TS-251A is transformed into a powerful streaming machine..


    Centralise backup, restoration and synchronisation with Hybrid Backup Sync

    Hybrid Backup Sync consolidates backup, restoration and synchronization functions into a single QTS application for you to easily transfer your data to local or remote QNAP NAS, to remote servers and to cloud storage spaces as a comprehensive data storage and disaster recovery plan. You can synchronise files between the TS-251A and cloud storage in real time - including Amazon® Drive, Google Drive™, Dropbox®, Microsoft OneDrive®, Yandex® Disk, and Box®, and back up files to Amazon® S3, Amazon® Glacier, Microsoft® Azure™, Google Cloud Storage™, OpenStack Swift and WebDAV cloud services. Hybrid Backup Sync can detect sparse files to avoid backing up unnecessary data, and supports file compression to save storage space. There are flexible settings for concurrent file processing and multi-threaded data transfer by splitting large files into smaller parts, greatly increasing the file transfer rate for greater work efficiency.


    Centralise backup, restoration and synchronization with Hybrid Backup Sync



    File synchronisation across devices and clouds

    Qsync turns your TS-251A into a safe, large-capacity data centre for file synchronization. Any file uploaded to the TS-251A 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.




    File



    Direct access to files with the USB QuickAccess port

    The TS-251A features an innovative USB QuickAccess port that allows you to complete the first-time installation and setup of your TS-251A without requiring network connectivity. The files and data stored on the TS-251A can also be directly accessed by using Qfinder Pro* and a USB 3.0 A-Male to Micro B-Male cable or a USB 2.0 Micro B cable**. Furthermore, you can assign access rights to users for different folders to prevent unauthorised access to important files.

    * QfinderPro and USB QuickAccess support Windows 8.0 (and above) and Mac OS X 10.7(and above).
    **A USB cable is not included.

    Direct access to files with the USB QuickAccess port



    QmailAgent: a mailroom centre for your private cloudQmailAgent: a mailroom centre for your private cloud

    QmailAgent is an online email client that helps you manage multiple email accounts, allowing you to access all of your emails and to easily switch between different accounts. It provides complete functionality for composing, reading and organizing emails. You can even attach files, photos and documents from the TS-251A when composing emails. QmailAgent also allows iOS® and Android™ users to quickly check multiple email accounts with mobile devices, and to browse & send emails using the QmailAgent on their TS-251A. You can also use QmailAgent together with Qsirch, which supports powerful email search functions to search through all of the .eml files stored on the TS-251A to make managing and searching through massive quantities of emails much easier.

    Comprehensive surveillance solution providing 24/7 security

    Surveillance Station is a professional network surveillance Video Management System (VMS) that offers a user-friendly management interface, 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 monitored channels anytime and 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-251A. The TS-251A includes 2 free IP camera channels and you can expand up to 32 channels by purchasing additional licenses.

    Surveillance Station- protect your home and valuables

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