QNAP TS-251+ User Manual

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TS-251+ TS-451+

TS-251+ / 451+

2-Bay / 4-Bay Turbo NAS

Dual GbE

LAN ports

x 2

SATA 6Gb/s

2.5"/3.5"

QNAP

expansion units

2GB/8GB DDR3L

up to 8GB RAM

Up to 204 MB/s

encryption

Virtualization

Station

Container

station

Use your Turbo NAS as a PC

High-performance Quad-Core NAS with

scalability, graphics, and video transcoding

• Centralize your file storage, sharing and backup with 200MB/s+ performance

• Snapshot function for multiple recovery points and incremental replication for disaster recovery

• Operate multiple virtual machines as well as download containerized apps

• Play videos with multi-channel audio pass-through via HDMI or transcode videos on-the-fly or offline

Qsirch Full-text,real-time search engine

Snapshot data back-up

Remote Control Included!

Quad-core Intel® Celeron®

2.0GHz Proccesor ( burst up to 2.42GHz)

Overview

Intel — Exceptional quality and outstanding ROI

QTS 4.2 — Experience a simple and perfect design

Qsirch — A smarter, faster way to search

Virtualization Station — Install several VMs on your NAS

QNAP QvPC — Use your TS-251+/451+ as a PC

Container Station — The new era of virtualization and cloud computing

Comprehensive Backup/Synchronization — Hybrid cloud for a consolidated backup solution

File Station — Integrated with cloud services

Data Security — Secure your data with QNAP protection mechanisms

Local Snapshot and Remote Snapshot Replica — Block-based snapshot technology

Qsync Central Station — Centrally manage and sync your files and devices via your PC

Surveillance Station — Build a professional surveillance system

HybridDesk Station — Enjoy videos on TV via HDMI with bundled remote control

QNAP Mobile App — Conveniently access your QNAP NAS with mobile devices

App Center — Customize your QNAP NAS for endless possibilities

Computer Utilities — Boost your productivity and convinience

Hardware Specifications & Accesories

Software Specifications

Table of Contents

File

storage, sharing, and increased multimedia usage are driving demand for affordable, flexible NAS

solutions that can meet ever-growing capacity and management needs. The TS-251+/451+ quad-core

2.0GHz (upgradable to 2.42GHz) is a perfect match for SOHO, home theater enthusiasts, and audiophiles looking

to maximize their audiovisual experience. The TS-251+/451+ are designed to provide superior performance and

expansion capabilities enabling you to grow cost effectively while reducing operational overhead.The QNAP

operating system, QTS 4.2, is equipped with a variety of intelligent and easy to use applications. QTS is simply

designed to meet all your needs for storage, synchronization, management, backup, multimedia, remote access,

and surveillance. QTS 4.2 is the ideal platform from which to build your private cloud. Use the TS-251+/451+

with a screen, keyboard, and mouse connections to transform your virtual machines into physical computers.The

TS-251+/451+ is a cost-efficient, flexible, and reliable high performance NAS with a huge range of cross platform

support.

Connect the TS-251+/451+ to an HDTV or A/V receiver via HDMI and use the HybridDesk Station (HD Station)

with the free QNAP remote control to enjoy rich multimedia content for the best audiovisual experience.Use

the bundled QNAP remote control for watching movies, listening to music, or enjoying a slideshow of treasured

photos. Just grab the remote control and enjoy the best in QNAP NAS convenience.Every family member can

enjoy entertainment on demand, and from different locations. Centrally manage and stream photos, music, and

videos from the TS-251+/451+ to different rooms from a single device using Bluetooth®, USB devices, HDMI,

DLNA®, Apple TV® and Chromecast™. The TS-251+/451+ supports Roku® and Amazon Fire® TV™, and Google TV

™ in addition to fully supporting Plex media server for the ultimate in flexibility. Search for, install, remove, and

update apps through the App Center to extend the functionality of your QNAP NAS.

The QTS App Center provides a wide range of install-on-demand apps for you to enjoy. The available applications

include media servers for family entertainment, cloud backup and synchronization tools, helpful communication

platforms, and many many more.The TS-251+/451+ are completely flexible, perfect companions for SOHO users

as a file manager, backup manager, download manager, permissions manager, and multimedia center.

TS-251+ TS-451+

Exceptional quality and

outstanding ROI

High performance Quard- core processor for

demanding workloads

The TS-251+/451+ 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+/451+ can also automatically

increase the processor's clock rate from 2.0GHz to 2.42GHz when needed for CPU-intensive tasks.

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

AES 256-bit volume & folder encryption

The TS-251+/451+ supports AES 256-bit volume & folder encryption with transfer speeds of up to 204 MB/s (TS-451+), boosting system

performance & security while ensuring the safety of sensitive personal data stored in the TS-251+/451+.

Enjoy videos on TV with bundled remote

control

The TS-251+/451+ is very simple and intuitive to use. You can

use the dedicated QNAP remote control to directly control and

play multimedia on your TS-251+/451+.

Test Environment: NAS: OS: QTS 4.2.0

RAID type: RAID 5; 4 x Seagate 1TB HDD (ST1000NM0033);

direct connection between a NAS and PC

Client PCs:

Intel® CoreTM i7-4790 3.60GHz CPU; DDR3-1600 16GB; Seagate 500GB ST500DM002; Intel Gigabit CT (MTU 1500);Windows® 7 Professional 64bit SP1

IOMeter configuration: Continuously read from/write to a single 8GB file for 4 minutes. Block size: 64KB for SMB2.0 (Throughput)

The results are from QNAP Labs. Figures may vary by environment.

Throughput AES-256 Volume Encryption Throughput

Windows® sequential Read / Write (64KB, 2 x GbE) Windows® sequential Read / Write Encryption (64KB, 2 x GbE)

QTS 4.2

Experience a simple and perfect design

Multitasking, multi-window,

multi-desktop, and multi-display modes

The new QTS operating system dramatically improves your

efficiency with multitasking, multi-window, multi-desktop, and

multi-display modes enabling you to begin new tasks without

waiting for the previous one to end. Minimize running apps to

the task bar and switch between them in a similar fashion to a

traditional PC environment. The multi-desktop design of QTS

enables drag-and-drop shortcut icons from the Control Panel

or Main Menu to the desired desktop to suit your preferences.

Drag and drop a desktop icon on top of another to group them

together to create a more efficient and personalized desktop.

Recycle Bin

The Recycle Bin enables recovery of files that have been

accidentally deleted. Right-click on the Recycle Bin on the desktop

to empty it or open it to see the full range of functions available.

Smart dashboard

Click on the upper-right corner of the desktop to get an immediate

system status summary display. Open the smart dashboard to

obtain a quick view of important information including system

health, disk information and health, resource monitoring,

storage space, scheduled tasks, device information, and firmware

information. Drag and drop dashboard functions to the desktop to

keep them readily available for ongoing monitoring. In the event

of a critical failure (hard disk corruption, etc.) the smart dashboard

will flash and prompt a system administrator and suggest

immediate action to recover or prevent the loss of data.

Qsirch

A smarter, faster way to search

Search for everything on your QNAP NAS

Qsirch 2.0 is equipped with QNAP exclusive technology TF-IDF

(Term frequency - Inverse document frequency), Real-Time search

engine and real-time suggestionsso that you can sort through

files faster and more precisely. In addition, Qsirch supports full-

text search with more than six thousand different file types and

dynamic results display to enhance productivity greatly.

Qsirch browser add-on for Google Chrome

Install the Qsirch add-on to enable Qsirch from your web browser.

Simply click on the Qsirch icon on the right of the address bar to

search Google and your QNAP NAS simultaneously. Your Qsirch

and Google search results will appear side-by-side for space-

saving, time-saving convenient comparison.

Presentation by file types

Search results can be filtered and presented by types including

photos, music, videos, and documents. This visualization enables

you to locate your desired results faster. In addition to sorting

by file type, results can be organized based on criteria such as

modified dates, file sizes, etc.

NAS

2015/01/15 17:15:35

Document/mp3

NAS

2015/01/15 17:15:35

Document/pdf

DSCF

NAS

2015/01/15 17:15:35

Document/mp3

NAS

2015/01/15 17:15:35

Document/pdf

DSCF

2015/02/14 12:24:05

Document/vedio

NAS

2015/01/15 17:15:35

Document/mp3

NAS

2015/01/15 17:15:35

Document/pdf

DSCF

2015/02/14 12:24:05

Qsirch browser add-on for Google Chrome

Content Preview

Thumbnail previews for photo, videos, and PDFs makes searching and browsing through voluminous data a lot faster, while the Gmail preview

function enables you to preview emails and your Gmail backup files easily and quickly.

Share directly from your search results

Use the direct sharing function in Qsirch 2.1 to share from your

search results instantly.

Advanced indexing technology

Indexing runs as a background task, enabling you to oversee the indexing progress and current status. This feature can also be used to exclude

files from indexing.

Saved searches for even faster results

Records of every search are kept, and users can even search

through these records and store frequently-used search criteria.

To get the best perfomance of Qsirch it is highly recommened to upgrade the RAM to 4GB+

QTS 4.2.0 or later versions is required for Qsirch 2.1 and the sharing function of Qsirch is only available on QTS 4.2.1.

Virtualization Station

Install several VMs on your NAS

Virtualization Station

NAS APP

More..

Ofﬁce

VM1 VM2

VM3 VM4

Storage Management

Security Management

Linux®

Linux

Centralized virtualization management enhancing

IT efficiency

Virtualization Station allows you to host virtual machines (VM) on the TS-

251+/451+, and access them via a web browser or VNC. Virtualization

Station supports multiple operating systems, fast VM creation, VM backup &

restoration, VM import/export, snapshot, and Device Management for centrally

managing VM. Virtualization Station uses SDN (Software-defined Networks)

and allows the TS-251+/451+ and VMs to share the same LAN port. No longer

constrained by physical network performance, high-speed Virtual Switches

greatly increases data transfer between VMs as well as between VMs and NAS

through the internal interface. You can also download VMs on demand from

online VM markets and import them to the TS-251+/451+ without any complex

procedures.

Operate VMs as Remote Desktops

Enjoy the convenience of operating Windows®, Linux®, UNIX®, and

Android™ based VMs as remote desktops.

User-based permissions settings

The Virtualization Station administrator can create users and set

granular permissions for each Virtual Machine (VM), helping to

efficiently manage and allocate VM resources for users with

different needs.

Operate different OS platforms on browsers

You can use the web-based user interface of QTS to run

Virtualization Station with extreme flexibility and convenience.

Besides computers, you can also use tablet devices to operate

multiple virtual machines of various operating systems such as

Windows, Linux, and UNIX run on the Virtualization Station.

Save bandwidth & time

Downloading a large amount of data to a local PC can take a long

time and use up network bandwidth. When accessing data on the

QNAP NAS through virtual machines on the Virtualization Station,

you can enjoy secure data transmission and save bandwidth &

time as the data is not transmitted via physical network cables.

User-based permissions include:Console permissions: Control and View-only VM controls: Snapshot and Advanced

QNAP QvPC

Use your TS-251+/451+ as a PC

The highlights of QNAP's exclusive QvPC

Technology

HD Station 3.0 is a monitor-based user interface based on QNAP's

exclusive QvPC Technology. Simply plug in a keyboard, mouse,

and an HDMI® monitor to a Turbo NAS and you can start the

installation process and access data without connecting to a PC,

tablet, or smartphone.

HD Station also supports touch panels to control the system

directly through a screen.

Run Windows, Linux and Android virtual

machines on a HDTV

Leveraging virtualization technology, QNAP QVM Desk supports

local display for a virtual machine and turns the Turbo NAS into a

PC when connected to an HDMI® monitor, keyboard, and mouse.

Any files on the Turbo NAS can be opened using virtual machines

running Windows®, Linux®, UNIX®, and Android™ through QVM

Desk. You can also instantly switch between different virtual

machines to meet different computing needs, similar to using

multiple PCs at the same time.

QNAP QVM Desk turns a Turbo NAS into an office PC

After purchasing a NAS, users usually install firmware from an installation disc and search for the NAS on their network, or log in to the NAS

manufacturer's website to complete the installation process. For users without relevant networking knowledge, this installation process may

be difficult. TS-251+/451+ is an ideal solution for storing data. With QvPC Technology users only need to plug in an HDMI® monitor, keyboard,

mouse and follow on-screen instructions to complete their NAS installation. Even users without any network knowledge can easily set up and

install a Turbo NAS.

NAS

HDMI®

STATUS

LAN USB eSATA

10G

ENTER

SELECT

POWER

COPY

Conventional installation: You need a disc or to log

in to a website to complete the installation, and it

can be complicated for general users.

Streamlined installation: simply plug in a monitor,

keyboard and mouse and follow the on-screen

instructions to complete the installation.

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