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Brands arrow QNAP arrow QNAP TS-251A
WD GreenSynology RAM Module



QNAP TS-251A

( Qnap )
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QNAP TS-251A

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

TS-251A

The TS-251A provides the innovative USB 3.0 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 centralized 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, multi-channel surround sound 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 virtualization: Virtualization Station & Container Station
  • Supports Virtual JBOD (VJBOD) to maximize the storage utilization 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.

TS-251A performance

*Tested in QNAP Labs. Figures may vary by environment.

Test Environment:
NAS:
OS: QTS 4.2.2
Volume type: RAID 1 (1TB HDDx2, Seagate ST1000NM0033

Client PCs:
Intel (R) Core(TM) i7-4770 3.4GHz, DDR3 16GB, WD 1TB WD10EZEX-21M2NA0, Windows 7 Professional 64bit SP1, Windows upload/download with 5GB file.
IOMeter configuration: Multiple PCs via switch. Transferring 32GB file continuously to NAS for 3 minutes. Block size: 64KB for SMB2.0

Direct access to files with the USB QuickAccess port

The TS-251A features an innovative USB 3.0 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 unauthorized access to important files.

* QfinderPro and USB QuickAccess support Windows 8.0 (and above) and Mac OS X 10.7(and above). Other versions may require driver installation.
**A USB cable is not included.

TS-251A USB3

USB QuickAccess/NAS/iSCSI SAN triple solution

The TS-251A innovatively re-defines what NAS can do by providing a USB 3.0 QuickAccess/NAS/iSCSI SAN triple solution. It discards the restriction of conventional DAS that only allows connecting to one device, and breaks the cost barrier for a high-speed Ethernet solution. The TS-251A’s three data transmission modes not only work independently, but they also can simultaneously run with no bandwidth interference, allowing you to multi-task with utmost productivity.

USB QuickAccess Mode

You can instantly access files and data stored on the TS-251A by connecting a PC/Mac to its USB 3.0 QuickAccess port and by using the Qfinder Pro application. To balance security and convenience needs, this method provides three access authentication modes. These settings can be easily configured in Network and Virtual Switch in the QTS management interface:

  • “All NAS Users” (default): A NAS username and password are required to use QuickAccess to access data stored on the NAS.
  • “Everyone”: Allows everyone to access data stored on the NAS using QuickAccess with no username or password required.
  • “Selected Users and Groups”: Only authorized users/groups can use QuickAccess to access data stored on the NAS (a username or password is also required).

The TS-251A’s USB mode is helpful for users that handle large volumes of media files on a daily basis. It provides an extremely convenient and fast solution for users to store and backup data on their computers or to access data on their NAS. With the USB mode the TS-251A is plug and use without compromising convenience or safety.

Ethernet NAS mode

The TS-251A features Ethernet networking for flexible and simultaneous file sharing across multiple devices, using SMB/CIFS, NFS and AFP protocols for sharing across Windows, Mac and Linux/UNIX networks. Use Qfinder Pro to find the TS-251A's Ethernet IP address to connect to it.

iSCSI SAN block-based mode

The TS-251A supports iSCSI SAN. After creating an iSCSI target on the TS-251A, you can access the iSCSI with your computer* using the NAS IP.
*iSCSI initiator for Mac: ATTO Xtend SAN or SNS globalSAN; for Windows: Microsoft iSCSI initiator

TS-251A Dividing resources

Superior 4K video transcoding

Featuring advanced 8th-generation Intel® HD Graphics, the TS-251A supports 4K H.264 hardware decoding and delivers superior real-time 4K and 1080p video transcoding to convert videos to universal formats that can be smoothly played on PCs, mobile devices and Smart TVs*. With offline transcoding, even when you can only connect using a low-speed Internet connection, you can still enjoy smooth video playback via File Station, Video Station, and the Qfile mobile app by selecting a pre-rendered lower resolution video. The TS-251A also allows you to set a dedicated folder for automatic video transcoding.

* 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.

4K-Transcoding en

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.

*To stream multimedia via Chromecast, you must first install the Multimedia Extension Pack from the QTS App Center.

multi-zone

QTS - Simple and efficient

Thanks to the intuitive user interface of QTS, system operations of the TS-251A are smooth and handy. Its intelligent desktop allows you to find desired functions quickly, 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.QTS4.2

Cross-platform file sharing, centralized 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.

OS-Windows OS-Mac OS-Linux

Qsirch - a smarter, faster way to search

The TS-251A supports Qsirch, a proprietary search engine for quick file searching. In addition to previewing thumbnails, content abstract and keyword hints, Qsirch allows you to search through all of the .eml files stored on the TS-251A and use customized search criteria* such as date, size, sender and recipient. Qsirch even remembers your search history allowing you to quickly navigate to files you've previously searched for. You can also use the Google Chrome™ extension - Qsirch Helper - to search for files on your NAS when using Google Search™. Qsirch is a huge productivity boost that greatly reduces the time spent looking for files on the NAS, allowing you to focus on other tasks.

Qsirch2.2


QNAP TS-251A Datasheet (1,09 MB)






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