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Specifications

Key specifications

NAS propertiesEmpty enclosure
HDMI1 x

General information

Manufacturer QNAP
Product type Network attached storage (NAS)
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Network attached storage (NAS)

Network-attached storage (NAS) is file-level computer data storage connected to a computer network providing data access to a heterogeneous group of clients. NAS not only operates as a file server, but is specialized for this task either by its hardware, software, or configuration of those elements. NAS is often manufactured as a computer appliance – a specialized computer built from the ground up for storing and serving files – rather than simply a general purpose computer being used for the role.

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Item number2586906
Manufacturer no.TS-251
External links Manufacturer's site (en)
May include power adapter Yes
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This product may require a power adapter. If this is the case, a suitable adapter is included in the delivery.

NAS properties

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NAS properties

Network-attached storage (NAS) is file-level computer data storage connected to a computer network providing data access to a heterogeneous group of clients. NAS not only operates as a file server, but is specialized for this task either by its hardware, software, or configuration of those elements. NAS is often manufactured as a computer appliance – a specialized computer built from the ground up for storing and serving files – rather than simply a general purpose computer being used for the role.

More information...

Number of hard disks max
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Number of hard disks max

Maximum number of hard disks

2
Empty enclosure
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Empty enclosure

A case with no installed hard drives.

More information...

Yes
Type of Construction
Desktop
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Desktop

The device is suitable for everyday tasks on a desktop computer.

Hot swapping
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Hot swapping

Hot swapping and hot plugging are terms used to separately describe the functions of replacing system components without shutting down the system.

More information...

Yes
Hard drive form factor
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Hard drive form factor

Die Abmessungen von Festplatten werden traditionell in Zoll angegeben. Dabei handelt es sich um keine exakten Größenangaben, sondern um einen Formfaktor. Übliche Formfaktoren für die Breite sind 5,25″, 3,5″, 2,5″ und 1,8″, für die Höhe z. B. 1″, ½″ und ⅜″. Die Zollangaben entsprechen meist in etwa dem Durchmesser der Platte, nicht der Breite des Laufwerkgehäuses. Teilweise werden jedoch kleinere Platten verwendet, um höhere Drehzahlen zu ermöglichen.

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3.5"
Max. throughput (read)
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Max. throughput (read)

In communication networks, such as Ethernet or packet radio, throughput or network throughput is the average rate of successful message delivery over a communication channel. This data may be delivered over a physical or logical link, or pass through a certain network node. The throughput is usually measured in bits per second (bit/s or bps), and sometimes in data packets per second or data packets per time slot.

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224 MB/s
Max. throughput (write)
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Max. throughput (write)

In communication networks, such as Ethernet or packet radio, throughput or network throughput is the average rate of successful message delivery over a communication channel. This data may be delivered over a physical or logical link, or pass through a certain network node. The throughput is usually measured in bits per second (bit/s or bps), and sometimes in data packets per second or data packets per time slot.

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222 MB/s
Infrared receiver
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Infrared receiver

Ein kleines Gerät zur Übermittlung von Infrarot Signalen (z.B. von einer Fernbedienung) an ein Gerät.

Yes
Memory
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Memory

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers.

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1 GB
Maximum possible memory
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Maximum possible memory

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers.

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8 GB
Add-on packages
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Add-on packages

Vom Hersteller zur Verfügung gestellte Applikationspakete / Features.

QNAP: Notes Station, Signage Station, Photo Station, Video Station, Multimedia Station, Digital TV Station, Surveillance Station, Virtualization Station, myQNAPcloud, File Station, Backup Station, Download Station, Qairplay, Qsync, Print Server, HappyGet, DLNA Media Server, Antivirus, HD Station, DJ Station, Webserver, iTunes Server, Music Station, Mail Server, TV Station, VPN Server
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QNAP: Notes Station, Signage Station, Photo Station, Video Station, Multimedia Station, Digital TV Station, Surveillance Station, Virtualization Station, myQNAPcloud, File Station, Backup Station, Download Station, Qairplay, Qsync, Print Server, HappyGet, DLNA Media Server, Antivirus, HD Station, DJ Station, Webserver, iTunes Server, Music Station, Mail Server, TV Station, VPN Server

More information...

Official mobile apps – NAS
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Official mobile apps – NAS

Anzahl offizieller Mobile Apps mit Angabe des Betriebsystems

10 QNAP Android Apps, 10 QNAP iOS Apps, 6 QNAP Windows Phone App
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10 QNAP Android Apps, 10 QNAP iOS Apps, 6 QNAP Windows Phone App

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Processor

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Processor

A processor is a key component of a computing device, which steers other components via software. The fundamental property of a processor is its programmability. The behaviour of a processor is determined by programmers by means of computer code. The main processor components are the register, arithmetic and logic unit (ALU), control unit and the memory management unit (MMU), which administers memory. Central tasks of a processor include arithmetic operations, reading and writing data in the memory as well as executing programme jumps.

Processor type
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Processor type

Beschreibt den Typ des Prozessors.

Intel Celeron
Processor clock frequency
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Processor clock frequency

In electronics and especially synchronous digital circuits, a clock signal is a particular type of signal that oscillates between a high and a low state and is utilized like a metronome to coordinate actions of circuits. Although the word signal has a number of other meanings, the term is here used for "transmitted energy that can carry information".

A clock signal is produced by a clock generator. Although more complex arrangements are used, the most common clock signal is in the form of a square wave with a 50% duty cycle, usually with a fixed, constant frequency. Circuits using the clock signal for synchronization may become active at either the rising edge, falling edge, or, in the case of double data rate, both in the rising and in the falling edges of the clock cycle.

More information...

2.41 GHz
Number of processor cores
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Number of processor cores

A multi-core processor (or chip-level multiprocessor, CMP) combines two or more independent cores (normally a CPU) into a single package composed of a single integrated circuit (IC), called a die, or more dies packaged together. A dual-core processor contains two cores, and a quad-core processor contains four cores.

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2 (Dual core)
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2 (Dual core)

The processor has two cores.

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Network connections

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Network connections

Beschreibt die Netzwerkanschlüsse des Gerätes.

RJ45/ 1 Gbit LAN Port
2 x

Additional connections

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Additional connections

Describes other connections of the product.

USB 2.0 type A
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USB 2.0 type A

Universal Serial Bus (USB) is a serial bus standard to interface devices. USB was designed to allow many peripherals to be connected using a single standardized interface socket and to improve the plug-and-play capabilities by allowing devices to be connected and disconnected without rebooting the computer (hot swapping). Other convenient features include providing power to low-consumption devices without the need for an external power supply and allowing many devices to be used without requiring manufacturer specific, individual device drivers to be installed.
The Mini-B, Micro-A, Micro-B , and Micro-AB connectors are used for smaller devices such as PDAs, mobile phones or digital cameras. The Standard-A plug is approximately 4 by 12 mm, the Standard-B approximately 7 by 8 mm, and the Micro-A and Micro-B plugs approximately 2 by 7 mm.

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2 x
USB 3.0 type A
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USB 3.0 type A

The universal serial bus (USB) is a serial bus system for the connection of a computer to external devices. USB3.0 can reach up to 5 Gbit/s in Superspeed modus.

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2 x
HDMI
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HDMI

High Definition Multimedia Interface (HDMI) was introduced in mid-2003 for a fully digital transmission of audio and video files in consumer electronics. The technology standardises existing procedures, increases their quality characteristics and also offers a coherent copy protection concept.

More information...

1 x

Video surveillance

Surveillance station
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Surveillance station

Video server function for monitoring and recording of IP cameras streams.

Yes
Number of camera licenses included
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Number of camera licenses included

Each camera that is connected to the device, requires a single license.

2 x
Max. number of cameras
24 x

Mains supply properties

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Mains supply properties

Generally mains supply means the product is supplied with energy over the grid.

Power consumption
19.22 W
Power consumption (standby)
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Power consumption (standby)

In electrical engineering, power consumption refers to the electrical energy over time that must be supplied to an electrical appliance to maintain its operation. The power consumption is usually a result of power used to perform the intended function of the device plus additional "wasted" power that is dissipated as heat, vibration and/or electromagnetic waves.

More information...

10.28 W
Fan diameter
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Fan diameter

Gibt den Durchmesser des Lüfters an.

70 mm

Delivery contents

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Delivery contents

The scope of delivery means the included accessories.

Delivery contents
Power cord
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External power supply
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Hard disk key
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6x 2.5" HDD screws
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8x 3.5" HDD screws
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2x RJ45 cable
,
Quick Installation Guide

Product dimensions

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Product dimensions

Physical size of an object

Length
22.50 cm
Width
10.20 cm
Height
16.80 cm
Weight
1.28 kg

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Returns and warranty

Dead on arrival (DOA) 8 Days Bring-in
Warranty 24 month Bring-in
30-day right of return
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30-day right of return

This product may be returned within 30 days after shipment or collection. A minimum of 10% will be deducted from opened products. Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

Please use our simplified returns and warranty process to return a product or register a warranty case. Returns and warranty

Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.

Warranty services

Warranty upgrade to On-Site

Garantieerweiterung

Warranty upgrade to On-Site

The device will be checked on-site by an authorised service specialist and repaired if possible. If it cannot be repaired, the device will be taken back for repairs.

to 2 years CHF 47.70
to 3 years CHF 73.50 *
to 5 years CHF 81.90 *

* incl. Extension of the warranty
The warranty will be extended for the respective period of time

Garantieerweiterung

Die Garantie wird zu den gleichen Bedingungen wie die Herstellergarantie verlängert.

to 3 years CHF 24.90
to 5 years CHF 30.–

More information about warranty services

Services

Hardware NAS installation

Configure remote NAS

Availability

Mail delivery/Collection

 Currently unavailable. Delivery date unknown.
We do not have any information regarding the delivery date. It will be shown as soon as it's known.

Information subject to change.

Matching accessories

Network attached storage (NAS) accessories

+1

Video cables

HDMI-Kabel Budget (1m, Entry, Black)
CHF 9.–
Maxxtro HDMI-Kabel Budget (1m, Entry, Black)
27

Availability

Mail delivery

  • more than 10 piece(s)
    in our warehouse

PickMup

Collection

  • Basel: the day after tomorrow at 13:10h
  • Bern: the day after tomorrow at 12:15h
  • Dietikon: the day after tomorrow at 14:30h
  • Geneva: the day after tomorrow at 13:30h
  • Kriens: the day after tomorrow at 11:20h
  • Lausanne: the day after tomorrow at 15:40h
  • St Gallen: the day after tomorrow at 15:30h
  • Winterthur: the day after tomorrow at 13:30h
  • Wohlen: the day after tomorrow at 11:00h
  • Zurich: the day after tomorrow at 12:30h

If ordered immediately.
Information subject to change.

View details

+1

Customer questions and answers

The 3 most helpful customer questions

User sh3va

Super, vielen Dank für die schnelle Antwort! Wenn ich also noch 2 x 3 TB Platten kaufe, wäre das Teil gleich einsatzbereit, richtig?

17.09.2015
1 answer
User kevin1ch
Accepted answer

Ja, die TS-251 macht so ziemlich jede Vorbereitung für dich. Danach dauert es etwas sich in die ganzen Funktionen einzulesen/einzuarbeiten. Habe meinen Kauf soweit aber noch nicht bereut - super Gerät, vorallem die HDMI Funktion!!! Viel Spass damit :)

17.09.2015

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Customer ratings

Overall rating

Avg. 4.5 of 5 stars


The 3 most useful ratings

User wmueller
TS-251

komme damit zurecht, macht was es soll, würde es aber nicht wieder anschaffen.

Das Dingens steht jetzt 6 Monate im Wohnzimmer. Licht und Schatten:

+ Leise
(auch wenn z.B. keine Gummistöpsel für die Festplatten benutzt werden, das Plastikgehäuse rattert mit den Festplatten etwas mit, was kaum stört aber irgendwie auch besser zu lösen ist)
+ viele Funktionen
+ gute Apps fürs Handy (Fotoupload)
+ schöne Fotoverwaltung

auf der Schattenseite:
- viele Funktionen, die meisten sind aber schlecht oder nicht aufeinander abgestimmt
(Media Center gibt es einige, DLNA Server fast zu viele)
- der HDMI Anschluss schläft manchmal ein und wacht ohne Reboot nicht wieder auf (kann auch am Fernseher liegen, ist aber ärgerlich)
- nicht alle Funktionen laufen auf einem Port
(manche Webinterfaces für das Medien Center oder die Medien-Ordner liegen wieder sonstwo, für die Remote Bastelei ist das nicht schön)
- AppleTV bekomme ich nicht stabil zum laufen
(finden sich nicht, es geht wann es will - geht meistens nicht, hängen aber via Kabel am selben Router...)

Die Verwaltungs-Oberfläche ist reich an Dingen. Sie wirkt aber manchmal etwas schnell zusammengestellt. Das von Synology gefällt mir eigentlich besser. Es ist klarer und einheitlicher.

Super-Ärgerlich ist das es die Festplatten öfter mal aus dem RAID ausschiesst. Mal die erste mal die zweite. Nach einem Reboot geht aber alles wieder. Festplatten-Schreibtest ist ok. Das NAS wurde bereits einmal ausgetauscht (dauerte 2 Monate... Support war aber immer Hilfsbereit). Problem ist noch da. Mal sehen wie das noch wird...

Der RAM Ausbau bedingt das man fast das ganze Ding zerlegt. Ist auch nicht gut überlegt.
more


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28.06.2015
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User brauhut
TS-251

Bin super zufrieden mit der TS251. Geschwindigkeit...

Bin super zufrieden mit der TS251. Geschwindigkeit ist sehr gut, XBMC Oberfläche intuitiv (Fernbedienung mitbestellen!) und dank HDMI Anschluss kannst due NAS direkt an den TV anschliessen oder auch mal bei Freunden anschliessen.
Den Lüfter hört man leicht und nur solang der TV aus ist. Auch die QNAP Apps, Web-Oberfläche und co sind klasse. Würde ich wieder kaufen!more


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20.01.2015
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QNAP TS-251 QNAP TS-251