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Qnap
TS-251B-2G
Desktop NAS
2-Bay RAID (2GB RAM) + PCIe
16TB (2 X 8TB Seagate IronWolf (NAS))


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seagate nas hard drive for Desktop NAS Seagate Ironwolf
NAS Hard Drive 16TB
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32TB 28TB 24TB 20TB 16TB 12TB 8TB 6TB

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Stock codeIBQ-251B-2G
Quick code68056


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6Gb/s to Gigabit Ethernet (1,000 Mbit/s)
2GB RAM
Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz)
2yr Warranty
Description
Description

Qnap TS-251B-2G Desktop NAS 16TB 2-Bay RAID (2GB RAM) + PCIe (2 X 8TB Seagate IronWolf (NAS))


spantv reviewOur Review:

8.5

OVERALL

DESIGN rating score 8.00

FEATURES rating score 9.00

PERFORMANCE rating score 8.00

VALUE FOR MONEY
rating score 9.00
  PROS
designThe design of the new QNAP TS-251B may seem awfully familiar and that is because it is the same shape and materials as the TS-253Be. What makes it stand out is that the white and silver textured design. I genuinely love the look of this device. It sits really well in a Mac environment and the compact nature of the chassis means it will fit in some remarkably discreet areas. Additionally, the chassis is designed with lower noise and better air pass through in mind. Noise levels were rated at 17.3 db(a) and temperatures were nice and low, even when usage was high.
featuresFor a NAS arriving at such an impressively low price point, the amount of hardware on offer is remarkably impressive. The QNAP TS-251B arrives with a dual-core Intel J3355 CPU, upto 8GB of memory, an HDMI port and a PCIe slot. This is staggering for just over £240+ ex.VAT and means you can almost use the FULL extent of the QTS QNAP Operating system. It supports Surveillance of 20-25 cameras via QVR Pro and Surveillance station, a Plex Media Server, lite virtual machine use, linux container and desktop use with container station/linux station - This is already several times more than most NAS at this price tag can do. Alongside home and business use, this 2 bay really goes give ALOT of bang for your buck!
performanceBecause of the combination of PCIe upgrade and Intel CPU, this device gives both high results for use right-out-the-box and if you want to upgrade to 10Gbe for just another £90 ex.VAT. Right now, the QNAP TS-251B and 2x QNAP QXG-10G1T 10Gbe upgrade cards arrive at around £440 ex.vat altogether - that is a fantastically low price for fantastic live file editing over 10gBE. This will be especially attractive to photo and video editors, as well as content creators of all kinds. More over, in terms of multimedia and backups, the TS-251B arrives with excellent hardware for multiple simultaneous backups and transcoding of media files at 1080P and 4k.
valueI genuinely struggle to complain about just how much hardware and software ability you get in the TS-251B. I can name 10+ other NAS server devices that cost twice this device, whilst giving half the ability. Add to this the fantastic 10-gigabit ethernet potential and you are looking at potentially the best NAS of 2018.

  CONS
designThe plastic chassis (metal inside) might put some hardcore IT users off and the white chassis may get dirty over time (it is no accident that black and grey are the most commonly used colours in technology).
featuresAs much as the QNAP TS-251B is ableto do, the CPU being a dual core and the base unit arriving with 2GB means that it will not multitask as well as more powerful units like the TS253Be or DS718+. Do consider the extent to which you will use the device before buying.
performanceOnce again, the TS-251B will do 2-3 things at once very well indeed and the 10Gbe upgrade option is a great plus, but it will not multitask anywhere near as well as a quad-core CPU.
valueLike most QNAP NAS, there is definitely a 60/40 design in favour of hardware over software and if you plan on using 3rd party software (plex, emby, windows server, apple time machine, windows explorer, Kodi, etc) then you will be happy. But if you plan on using the 1st party QNAP Apps, you may need to invest a little higher in the TS-253Be.

Qnap TS-251B-2G logo

SPAN TV




2A warranty 2A Warranty available Qnap Warranty LIC-NAS-EXTW-GREEN-3Y-EI 2yr to 5yr, Green, Desktop 2A READ MORE


NAS Filter


Or Find the Cheapest NAS here.

The Qnap Desktop NAS TS-251B-2G 2-Bay RAID (2GB RAM) + PCIe 16TBis Network Attached NAS Storage device. It features a Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) CPU and with 2GB RAM providing outstanding performance for those looking for a cost effective Network Storage option. This Qnap Desktop NAS TS-251B-2G is backed with Qnap’s 2yr limited warranty.

Out of the box this NAS can handle 2 x 3.5" hard drives / SSDs, giving it a maximum capacity of 32TB via 16TB drives.

Key Features

  • Pre-populated with 16TB of storage capacity (includes 2x 8TB Seagate IronWolf (NAS) HDD)
  • RAID Levels: 0:1:JBOD:
  • Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) CPU
  • 2GB Random Access Memory (RAM)
  • 6Gb/s to Gigabit Ethernet (1,000 Mbit/s)
  • Arrives with 2yr warranty for enclosure and 3yr warranty for hard drives

Virtual Machine. Another advantage of the Qnap Desktop NAS is a solid framework for utilizing Virtualisation and VMware. More than traditional storage, this gives you the ability to create multiple Virtual PC Desktop interfaces for shared users via their browsers and more.



Includes Seagate IronWolf (NAS) 3.5" SATA 6Gb/s Hard Drives

This Qnap NAS includes the best Seagate hard drives to work with this box. The perfect foundation for building maximum density server to be run 24/7.
Seagate NAS drives have been rigorously tested in high read and write Network Attached Storage Environments. This results in increased performance and efficiency within your TS-251B-2G NAS server device.

Combining Qnap Desktop NAS TS-251B-2G and 2 Seagate hard disks will provide you with a solid, long term Storage solution.

Combining Qnap Desktop NAS TS-251B-2G and 2 Seagate hard drives provide you compact but highly efficient Network-Attached Storage solution. Giving you the ability to share and distribute your media throughout the home and accross the internet, create Apple Time Machine backups, conduct Surveillance tasks and still furnish you with a strong Synchronisation system running in the background.

Vital Statistics (per drive)

  • Model Number: ST8000VN004
  • Rotation: 7200RPM
  • Interface: 3.5" SATA 6Gb/s
  • Form factor: 3.5 inch
  • Capacity: 8TB
  • Cache: 256MB
  • Warranty: 3yr

Back of the Qnap Desktop NAS TS-251B-2G box (the connections)

back of Qnap Desktop NAS

  • LAN Network Port / Ethernet Port – Giving your Qnap storage device to both send, receive and manipulate files over the internet. However that is just the tip of the iceberg. Via the connection of devices such as IP camera, mobile apps and other system tools, you can use multi-purpose applications for homes, small business and enterprises uses.
  • USB 3.0 – The newer and faster evolution of Universal Serial Bus, USB 3.0, can transfer data at up to 5Gb per second. Now becoming commonplace, you can transfer data between devices such as external hard-drives and flash storage keys. In more advanced, larger devices you are able to connect peripherals such as mice and keyboards to the enclosure, however we highly recommend contacting the manufacturers website here for more details on connectivity and compatibility
  • USB 2.0 - A common connection in most devices, USB or Universal Serial Bus gives your Qnap the ability to data between devices such as external hard drives and flash storage keys at up to 480Mb per second. In some larger, more advanced enclosures, you are able to connect peripherals such as keyboards and mice to a Storage enclosure, however we recommend contacting the manufacturers website here for more details on compatibility.
  • HDMI (High-Definition Multimedia Interface) – Access your Qnap NAS via a visual device, such as a HD TV or Monitor to giving you direct access to your Network Attached Storage device. Useful if your Network Connectivity has dropped and you require access to your files in the absence of a network/Internet connection.

Free Qnap Desktop NAS SpanStor Build & Test

You can have JBOD,RAID 0,RAID 1 set up on Qnap Desktop NAS TS-251B-2G. We offer our completely free and highly recommended SpanStor build service for your Qnap 2-bay enclosure. We ensure that your Qnap box and Seagate drives are in perfect working order before we send it out, at no additional cost. That's not all. We can install the latest Qnap firmware or even construct a custom build from the ground up! Depending on the nature and complexity of the setup you request, this can take from a few minutes to a few hours, all done here at SPAN, thereby saving you time and money.
Possible RAID options for your Qnap 2-bay box are explained below.
youtube spanstor

Youtube video

Qnap Desktop NAS TS-251B-2G RAID options

  • JBOD- is a cost-effective network storage solution. If you have a lot of temporarily data to store, JBODs are an economical solution. Mind that the data is not critical or you have an effective backup scheme in place. JBOD is either a single or number of disks which are grouped together and presented to the Operating System as a single volume, called 'Spanning'. If you lose a single disk in the JBOD then you possibly will lose data, as the concept of a JBOD does not include not fault tolerance.
  • RAID 0 is ideal for non-critical storage of data that have to be read/written at a high speed, such as on a video editing station or an image retouching. RAID 0 offers great performance, both in read and write operations. All storage capacity is used, there is no overhead.
  • RAID 1 (mirrored drive) is ideal for critical storage, like accounting systems. It is also suitable for small servers in which only two data drives will be used (disc mirroring). It offers excellent read speed and a write-speed that is comparable to that of a single drive. In case a drive fails, data do not have to be rebuild, they just have to be copied to the replacement drive (mirroring hdd ). It can be used as back up mirror.

Choose your RAID here ->

Qnap Desktop NAS as a media server

Plex Server on Qnap Desktop NAS TS-251B-2G gives you centralized home media playback system streaming its media to your Smart phone, tablet or TV over the internet or local network.

Plex on Qnap Desktop NAS provides free services:

  • Watch media while on the go
  • Share your content from your Qnap Desktop NAS with friends or family
  • Bookmark media for later viewing
  • Recommend an item to a friend

Plex is available for many connected devices including: Amazon Fire TV, Android "stick" devices, GoogleTV enabled HDTVs or devices, Roku and Samsung Smart TV.




TS-251B-2G Qtier
ComparisonQtierSSD CacheFull SSD
1.Available SSD Space Expandable as needed Limited by available memory* Expandable as needed
2.Price LowLowHigh
3.Applicable storage Volume/LUN Volume/LUN Volume/LUN
4.Data Migration Method ScheduledAutomatic-
5.Data migration Mechanism Moves data to different tiers depending on access frequencyReplicates frequently-accessed data to SSD storageAll data stored on SSDs
6.Application Scenarios Used for predictable I/O workloads such as file/web/email servers, application virtualization or video editing.Used for highly frequent data access environment such as application virtualization or video editing.Used for applications requiring fast/intensive I/O such as databases or virtualized environments.

Read more about Qnap TS-251B-2G auto tiering.

Spanstor Build And Test
If you buy this Qnap Desktop NAS and hard drives we do free build and test for the unit and hard drives. So you can use this device straight out of the box. All free of charge in TS-251B-2G price.
Same Day and Next Day Delivery available in UK and fast WorldWide delivery for products in stock.
FREE Business Quotes available for products with specific requirements or quantities. Often cheaper than Amazon.

Qnap TS-251B-2G Desktop NAS RAM / Card upgrade options



Qnap LAN-10G2SF-MLX expansion LAN-10G2SF-MLX LAN-10G2SF-MLX More Info Install This
Qnap LAN-1G2T-I210 expansion LAN-1G2T-I210 LAN-1G2T-I210 More Info Install This
Qnap LAN-10G1SR expansion LAN-10G1SR LAN-10G1SR More Info Install This
Qnap LAN-10G2T-X550 expansion LAN-10G2T-X550 LAN-10G2T-X550 More Info Install This
Qnap QM2-2S expansion QM2-2S QM2-2S More Info Install This
Qnap QM2-2P expansion QM2-2P QM2-2P More Info Install This
Qnap QM2-2S10G1T expansion QM2-2S10G1T QM2-2S10G1T More Info Install This
Qnap QM2-2P10G1T expansion QM2-2P10G1T QM2-2P10G1T More Info Install This
Qnap RAM-2GDR3LA0-SO-1866 expansion RAM-2GDR3LA0-SO-1866 RAM-2GDR3LA0-SO-1866 More Info Install This
Qnap RAM-4GDR3LA0-SO-1866 expansion RAM-4GDR3LA0-SO-1866 RAM-4GDR3LA0-SO-1866 More Info Install This
Qnap LAN-10G1TA expansion LAN-10G1TA LAN-10G1TA More Info Install This
Qnap QXG-10G1T expansion QXG-10G1T QXG-10G1T More Info Install This
Qnap QM2-2P-384 expansion QM2-2P-384 QM2-2P-384 More Info Install This
Qnap QM2-2P-344 expansion QM2-2P-344 QM2-2P-344 More Info Install This
Qnap QM2-2P-244A expansion QM2-2P-244A QM2-2P-244A More Info Install This
Qnap QM2-2S-220A expansion QM2-2S-220A QM2-2S-220A More Info Install This
Qnap RM-IR004 expansion RM-IR004 RM-IR004 More Info Install This
Qnap USB-U31A2P01 expansion USB-U31A2P01 USB-U31A2P01 More Info Install This
Qnap QWA-AC2600 expansion QWA-AC2600 QWA-AC2600 More Info Install This
Qnap QXG-10G2SF-CX4 expansion QXG-10G2SF-CX4 QXG-10G2SF-CX4 More Info Install This
Qnap QM2-2S10G1TA expansion QM2-2S10G1TA QM2-2S10G1TA More Info Install This
Qnap QM2-2P10G1TA expansion QM2-2P10G1TA QM2-2P10G1TA More Info Install This
Qnap QXP-16G2FC expansion QXP-16G2FC QXP-16G2FC More Info Install This
Qnap QXP-32G2FC expansion QXP-32G2FC QXP-32G2FC More Info Install This





How to install Kodi and Netflix on your QNAP NAS in 2020
Our Brief Guide to installing KODI on your NAS
how to install kodi on qnap

Best 2 bay NAS- Qnap 2020
Best for Plex, Surveillance, Performance, Connectivity, Energy saving, Warranty, Transcoding


Read More ->


best qnap 2 bay 2020




Qnap TS-251B-2G Compatible UPS:
APC Smart-UPS SMT750I 750VA 230V, LCD, Tower
APC Smart-UPS SMT1000I 1000VA 230V, LCD, Tower
APC Smart-UPS SMT1500I 1500VA 230V, LCD, Tower
APC Smart-UPS SMT2200I 2200VA 230V, LCD, Tower
APC Smart-UPS SMT3000I 3000VA 230V, LCD, Tower



Specifications
Specifications

General

Stock code IBQ-251B-2G
Brand Qnap
Series Desktop NAS
Model TS-251B-2G
Type 2-Bay RAID (2GB RAM) + PCIe
ROHS Y
Date added 29/05/2018

TS-251B-2G Spec Information

Form Factor / Drive Height 168x105x226mm
Platter size 3.5"
Platter (alternate) 2.5"
RAM/Cache 2GB
Guarantee 2yr
Processor Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz)
CPU Mark (cpubenchmark.net) 1313
Total Drives 2
RAID 0:1:JBOD:
RAID Levels Single Disk, JBOD, RAID 0, 1

TS-251B-2G Spec Connections

sub- connectionI/EQuantity
LANRJ45 1GbEExternal1
SATASATA 7-pin Discrete with PowerInternal2
PCIePCIe v2 x2Internal1
USB3USB3 type A (host)External2
USB2USB2 type A (host)External3

Software

TS-251B-2G Speed

Speed/RPM 6Gb/s to Gigabit Ethernet (1,000 Mbit/s)

Physical

Colour White
Weight (kg) 2.7kg
Weight (bare) 1.53kg
External Length (mm) 390cm
External Width (mm) 320cm
External Height (mm) 300cm
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Video
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Wherever you are in the world, we can get your order to you at high speed.


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Our free service helps you choose the right NAS and Drives, then makes sure it is built & ready to use as soon as you get it.


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Qnap Desktop NAS TS-251B-2G 2-Bay RAID (2GB RAM) + PCIeseagate nas hard drive for Desktop NAS Seagate Ironwolf
NAS Hard Drive 16TB

Selected 2 X 8TB Customize

Stock codeIBQ-251B-2G
Quick code68056 + 62601
Choose electric outlet for United States TS-251B-2G with UK power plug TS-251B-2G with EURO power plug TS-251B-2G with US American power plug TS-251B-2G with AU Australian power plug
Your local power plug included


Qnap
TS-251B-2G
Desktop NAS
2-Bay RAID (2GB RAM) + PCIe
16TB (2 X 8TB Seagate IronWolf (NAS))



TS-251B-2G review star 1TS-251B-2G review star 2TS-251B-2G review star 3TS-251B-2G review star 4TS-251B-2G review star 5 5* from 1 Review

RAM 2GB4GB

qtier NASHDMI supportpcie-expansiondlna supportplex supportultra hd 4k supportintel-inside






FREE Build & Test
Pre Sales Expert advice!
Compatibility Checks
Your Apps pre-installed and configured
RAID setup/ NAS & HDD Stress Test
After Sales Support Included!
US power plug included on request

Advanced SPANSTOR configuration



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Description

Qnap TS-251B-2G Desktop NAS 16TB 2-Bay RAID (2GB RAM) + PCIe (2 X 8TB Seagate IronWolf (NAS))


spantv reviewOur Review:

8.5

OVERALL

DESIGN rating score 8.00

FEATURES rating score 9.00

PERFORMANCE rating score 8.00

VALUE FOR MONEY
rating score 9.00
  PROS
designThe design of the new QNAP TS-251B may seem awfully familiar and that is because it is the same shape and materials as the TS-253Be. What makes it stand out is that the white and silver textured design. I genuinely love the look of this device. It sits really well in a Mac environment and the compact nature of the chassis means it will fit in some remarkably discreet areas. Additionally, the chassis is designed with lower noise and better air pass through in mind. Noise levels were rated at 17.3 db(a) and temperatures were nice and low, even when usage was high.
featuresFor a NAS arriving at such an impressively low price point, the amount of hardware on offer is remarkably impressive. The QNAP TS-251B arrives with a dual-core Intel J3355 CPU, upto 8GB of memory, an HDMI port and a PCIe slot. This is staggering for just over £240+ ex.VAT and means you can almost use the FULL extent of the QTS QNAP Operating system. It supports Surveillance of 20-25 cameras via QVR Pro and Surveillance station, a Plex Media Server, lite virtual machine use, linux container and desktop use with container station/linux station - This is already several times more than most NAS at this price tag can do. Alongside home and business use, this 2 bay really goes give ALOT of bang for your buck!
performanceBecause of the combination of PCIe upgrade and Intel CPU, this device gives both high results for use right-out-the-box and if you want to upgrade to 10Gbe for just another £90 ex.VAT. Right now, the QNAP TS-251B and 2x QNAP QXG-10G1T 10Gbe upgrade cards arrive at around £440 ex.vat altogether - that is a fantastically low price for fantastic live file editing over 10gBE. This will be especially attractive to photo and video editors, as well as content creators of all kinds. More over, in terms of multimedia and backups, the TS-251B arrives with excellent hardware for multiple simultaneous backups and transcoding of media files at 1080P and 4k.
valueI genuinely struggle to complain about just how much hardware and software ability you get in the TS-251B. I can name 10+ other NAS server devices that cost twice this device, whilst giving half the ability. Add to this the fantastic 10-gigabit ethernet potential and you are looking at potentially the best NAS of 2018.

  CONS
designThe plastic chassis (metal inside) might put some hardcore IT users off and the white chassis may get dirty over time (it is no accident that black and grey are the most commonly used colours in technology).
featuresAs much as the QNAP TS-251B is ableto do, the CPU being a dual core and the base unit arriving with 2GB means that it will not multitask as well as more powerful units like the TS253Be or DS718+. Do consider the extent to which you will use the device before buying.
performanceOnce again, the TS-251B will do 2-3 things at once very well indeed and the 10Gbe upgrade option is a great plus, but it will not multitask anywhere near as well as a quad-core CPU.
valueLike most QNAP NAS, there is definitely a 60/40 design in favour of hardware over software and if you plan on using 3rd party software (plex, emby, windows server, apple time machine, windows explorer, Kodi, etc) then you will be happy. But if you plan on using the 1st party QNAP Apps, you may need to invest a little higher in the TS-253Be.

Qnap TS-251B-2G logo

SPAN TV




2A warranty 2A Warranty available Qnap Warranty LIC-NAS-EXTW-GREEN-3Y-EI 2yr to 5yr, Green, Desktop 2A READ MORE


NAS Filter


Or Find the Cheapest NAS here.

The Qnap Desktop NAS TS-251B-2G 2-Bay RAID (2GB RAM) + PCIe 16TBis Network Attached NAS Storage device. It features a Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) CPU and with 2GB RAM providing outstanding performance for those looking for a cost effective Network Storage option. This Qnap Desktop NAS TS-251B-2G is backed with Qnap’s 2yr limited warranty.

Out of the box this NAS can handle 2 x 3.5" hard drives / SSDs, giving it a maximum capacity of 32TB via 16TB drives.

Key Features

  • Pre-populated with 16TB of storage capacity (includes 2x 8TB Seagate IronWolf (NAS) HDD)
  • RAID Levels: 0:1:JBOD:
  • Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) CPU
  • 2GB Random Access Memory (RAM)
  • 6Gb/s to Gigabit Ethernet (1,000 Mbit/s)
  • Arrives with 2yr warranty for enclosure and 3yr warranty for hard drives

Virtual Machine. Another advantage of the Qnap Desktop NAS is a solid framework for utilizing Virtualisation and VMware. More than traditional storage, this gives you the ability to create multiple Virtual PC Desktop interfaces for shared users via their browsers and more.



Includes Seagate IronWolf (NAS) 3.5" SATA 6Gb/s Hard Drives

This Qnap NAS includes the best Seagate hard drives to work with this box. The perfect foundation for building maximum density server to be run 24/7.
Seagate NAS drives have been rigorously tested in high read and write Network Attached Storage Environments. This results in increased performance and efficiency within your TS-251B-2G NAS server device.

Combining Qnap Desktop NAS TS-251B-2G and 2 Seagate hard disks will provide you with a solid, long term Storage solution.

Combining Qnap Desktop NAS TS-251B-2G and 2 Seagate hard drives provide you compact but highly efficient Network-Attached Storage solution. Giving you the ability to share and distribute your media throughout the home and accross the internet, create Apple Time Machine backups, conduct Surveillance tasks and still furnish you with a strong Synchronisation system running in the background.

Vital Statistics (per drive)

  • Model Number: ST8000VN004
  • Rotation: 7200RPM
  • Interface: 3.5" SATA 6Gb/s
  • Form factor: 3.5 inch
  • Capacity: 8TB
  • Cache: 256MB
  • Warranty: 3yr

Back of the Qnap Desktop NAS TS-251B-2G box (the connections)

back of Qnap Desktop NAS

  • LAN Network Port / Ethernet Port – Giving your Qnap storage device to both send, receive and manipulate files over the internet. However that is just the tip of the iceberg. Via the connection of devices such as IP camera, mobile apps and other system tools, you can use multi-purpose applications for homes, small business and enterprises uses.
  • USB 3.0 – The newer and faster evolution of Universal Serial Bus, USB 3.0, can transfer data at up to 5Gb per second. Now becoming commonplace, you can transfer data between devices such as external hard-drives and flash storage keys. In more advanced, larger devices you are able to connect peripherals such as mice and keyboards to the enclosure, however we highly recommend contacting the manufacturers website here for more details on connectivity and compatibility
  • USB 2.0 - A common connection in most devices, USB or Universal Serial Bus gives your Qnap the ability to data between devices such as external hard drives and flash storage keys at up to 480Mb per second. In some larger, more advanced enclosures, you are able to connect peripherals such as keyboards and mice to a Storage enclosure, however we recommend contacting the manufacturers website here for more details on compatibility.
  • HDMI (High-Definition Multimedia Interface) – Access your Qnap NAS via a visual device, such as a HD TV or Monitor to giving you direct access to your Network Attached Storage device. Useful if your Network Connectivity has dropped and you require access to your files in the absence of a network/Internet connection.

Free Qnap Desktop NAS SpanStor Build & Test

You can have JBOD,RAID 0,RAID 1 set up on Qnap Desktop NAS TS-251B-2G. We offer our completely free and highly recommended SpanStor build service for your Qnap 2-bay enclosure. We ensure that your Qnap box and Seagate drives are in perfect working order before we send it out, at no additional cost. That's not all. We can install the latest Qnap firmware or even construct a custom build from the ground up! Depending on the nature and complexity of the setup you request, this can take from a few minutes to a few hours, all done here at SPAN, thereby saving you time and money.
Possible RAID options for your Qnap 2-bay box are explained below.

Qnap Desktop NAS TS-251B-2G RAID options

  • JBOD- is a cost-effective network storage solution. If you have a lot of temporarily data to store, JBODs are an economical solution. Mind that the data is not critical or you have an effective backup scheme in place. JBOD is either a single or number of disks which are grouped together and presented to the Operating System as a single volume, called 'Spanning'. If you lose a single disk in the JBOD then you possibly will lose data, as the concept of a JBOD does not include not fault tolerance.
  • RAID 0 is ideal for non-critical storage of data that have to be read/written at a high speed, such as on a video editing station or an image retouching. RAID 0 offers great performance, both in read and write operations. All storage capacity is used, there is no overhead.
  • RAID 1 (mirrored drive) is ideal for critical storage, like accounting systems. It is also suitable for small servers in which only two data drives will be used (disc mirroring). It offers excellent read speed and a write-speed that is comparable to that of a single drive. In case a drive fails, data do not have to be rebuild, they just have to be copied to the replacement drive (mirroring hdd ). It can be used as back up mirror.

Choose your RAID here ->

Qnap Desktop NAS as a media server

Plex Server on Qnap Desktop NAS TS-251B-2G gives you centralized home media playback system streaming its media to your Smart phone, tablet or TV over the internet or local network.

Plex on Qnap Desktop NAS provides free services:

  • Watch media while on the go
  • Share your content from your Qnap Desktop NAS with friends or family
  • Bookmark media for later viewing
  • Recommend an item to a friend

Plex is available for many connected devices including: Amazon Fire TV, Android "stick" devices, GoogleTV enabled HDTVs or devices, Roku and Samsung Smart TV.




TS-251B-2G Qtier
ComparisonQtierSSD CacheFull SSD
1.Available SSD Space Expandable as needed Limited by available memory* Expandable as needed
2.Price LowLowHigh
3.Applicable storage Volume/LUN Volume/LUN Volume/LUN
4.Data Migration Method ScheduledAutomatic-
5.Data migration Mechanism Moves data to different tiers depending on access frequencyReplicates frequently-accessed data to SSD storageAll data stored on SSDs
6.Application Scenarios Used for predictable I/O workloads such as file/web/email servers, application virtualization or video editing.Used for highly frequent data access environment such as application virtualization or video editing.Used for applications requiring fast/intensive I/O such as databases or virtualized environments.

Read more about Qnap TS-251B-2G auto tiering.

Spanstor Build And Test
If you buy this Qnap Desktop NAS and hard drives we do free build and test for the unit and hard drives. So you can use this device straight out of the box. All free of charge in TS-251B-2G price.
Same Day and Next Day Delivery available in UK and fast WorldWide delivery for products in stock.
FREE Business Quotes available for products with specific requirements or quantities. Often cheaper than Amazon.

Qnap TS-251B-2G Desktop NAS RAM / Card upgrade options



Qnap LAN-10G2SF-MLX expansion LAN-10G2SF-MLX LAN-10G2SF-MLX More Info Install This
Qnap LAN-1G2T-I210 expansion LAN-1G2T-I210 LAN-1G2T-I210 More Info Install This
Qnap LAN-10G1SR expansion LAN-10G1SR LAN-10G1SR More Info Install This
Qnap LAN-10G2T-X550 expansion LAN-10G2T-X550 LAN-10G2T-X550 More Info Install This
Qnap QM2-2S expansion QM2-2S QM2-2S More Info Install This
Qnap QM2-2P expansion QM2-2P QM2-2P More Info Install This
Qnap QM2-2S10G1T expansion QM2-2S10G1T QM2-2S10G1T More Info Install This
Qnap QM2-2P10G1T expansion QM2-2P10G1T QM2-2P10G1T More Info Install This
Qnap RAM-2GDR3LA0-SO-1866 expansion RAM-2GDR3LA0-SO-1866 RAM-2GDR3LA0-SO-1866 More Info Install This
Qnap RAM-4GDR3LA0-SO-1866 expansion RAM-4GDR3LA0-SO-1866 RAM-4GDR3LA0-SO-1866 More Info Install This
Qnap LAN-10G1TA expansion LAN-10G1TA LAN-10G1TA More Info Install This
Qnap QXG-10G1T expansion QXG-10G1T QXG-10G1T More Info Install This
Qnap QM2-2P-384 expansion QM2-2P-384 QM2-2P-384 More Info Install This
Qnap QM2-2P-344 expansion QM2-2P-344 QM2-2P-344 More Info Install This
Qnap QM2-2P-244A expansion QM2-2P-244A QM2-2P-244A More Info Install This
Qnap QM2-2S-220A expansion QM2-2S-220A QM2-2S-220A More Info Install This
Qnap RM-IR004 expansion RM-IR004 RM-IR004 More Info Install This
Qnap USB-U31A2P01 expansion USB-U31A2P01 USB-U31A2P01 More Info Install This
Qnap QWA-AC2600 expansion QWA-AC2600 QWA-AC2600 More Info Install This
Qnap QXG-10G2SF-CX4 expansion QXG-10G2SF-CX4 QXG-10G2SF-CX4 More Info Install This
Qnap QM2-2S10G1TA expansion QM2-2S10G1TA QM2-2S10G1TA More Info Install This
Qnap QM2-2P10G1TA expansion QM2-2P10G1TA QM2-2P10G1TA More Info Install This
Qnap QXP-16G2FC expansion QXP-16G2FC QXP-16G2FC More Info Install This
Qnap QXP-32G2FC expansion QXP-32G2FC QXP-32G2FC More Info Install This





How to install Kodi and Netflix on your QNAP NAS in 2020
Our Brief Guide to installing KODI on your NAS
how to install kodi on qnap

Best 2 bay NAS- Qnap 2020
Best for Plex, Surveillance, Performance, Connectivity, Energy saving, Warranty, Transcoding


Read More ->


best qnap 2 bay 2020






Specifications

General

Stock code IBQ-251B-2G
Brand Qnap
Series Desktop NAS
Model TS-251B-2G
Type 2-Bay RAID (2GB RAM) + PCIe
ROHS Y
Date added 29/05/2018

TS-251B-2G Spec Information

Form Factor / Drive Height 168x105x226mm
Platter size 3.5"
Platter (alternate) 2.5"
RAM/Cache 2GB
Guarantee 2yr
Processor Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz)
CPU Mark (cpubenchmark.net) 1313
Total Drives 2
RAID 0:1:JBOD:
RAID Levels Single Disk, JBOD, RAID 0, 1

TS-251B-2G Spec Connections

sub- connectionI/EQuantity
LANRJ45 1GbEExternal1
SATASATA 7-pin Discrete with PowerInternal2
PCIePCIe v2 x2Internal1
USB3USB3 type A (host)External2
USB2USB2 type A (host)External3

Software

TS-251B-2G Speed

Speed/RPM 6Gb/s to Gigabit Ethernet (1,000 Mbit/s)

Physical

Colour White
Weight (kg) 2.7kg
Weight (bare) 1.53kg
External Length (mm) 390cm
External Width (mm) 320cm
External Height (mm) 300cm
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Qnap Desktop NAS TS 251B 2G reviews


30/08/2018 | | GB Flag |
Amazing ds218+ alternative!


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DISCLAIMER: Product information and images on this page are for guidance only and are liable to change without notice. Some details may refer to the whole category or range, rather than this particular item. Specifications shown are our best interpretation of information supplied by the manufacturer, and are as up-to-date as possible. If you require clarification on any item, please contact us and we will be glad to help you.
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