The QNAP HS-251+ versus the QNAP TS-251+ Quiet Home NAS Comparison

The QNAP HS-251+ Silent NAS versus the QNAP TS-251+ Silent Quiet NAS Comparison

Is the Silent NAS worth the extra money compared to the TS-251+?

 

Synology DS716+II PROS

VALUE

A good solid NAS that lives up to everything it promises. Low Power consumption and one of the quietest NAS units I have ever used – and this along with high end performance and features.

FEATURES

Has all the features you would expect from a High end QNAP NAS, as well as including all cables and even a remote control for those looking for a high end NAS entertainment system or Plex Media NAS.

PERFORMANCE

Once again, the unit provides excellent read and write transmission speeds with its quad core intel CPU and DDR3 memory. For it’s target audience that demand high end NAS performance, but with little or no noise and low power consumption, this NAS wins the race!

DESIGN

Very sleek NAS design and it does live up to the name   it is a VERY silent NAS! Ples the large  metal exterior acts as an excellent heat sink. The unit will slide comfortably into most small office and home entertainment setups very subtly.

 

Synology DS716+II CONS

VALUE

Lack of space for a RAM upgrade and unconventional drive installation may put some people off.

FEATURES

The unit does get hot when in heavy use – at least 4-5 active users on the device and cpu use up in the high 80’s can may the top panel seem quick warm to the touch. This does not seem to hamper performance but worth noting.

PERFORMANCE

Because of the lack of operational fans and scale, the performance and max limits on many of the apps are lower than the traditional desktop version of this device, the QNAP TS-251+-2G. a notable example is that this device can only run a  single VM (virtual Machine) from the NAS software as appose to the several you can run on the TS-251+-8G or the QNAP TS-253A-4G.

DESIGN

If noise isn’t as big a deal to you as Hardware and you plan on being at least 2 metres away from your NAS at all times (or it is in a cabinet etc), then you should perhaps skip this NAS and buy the TS-251+ or buy the TS-253A today from SPAN.COM

The QNAP TS-251+ NAS Advantages and Disadvantages

 

Synology DS716+II PROS

VALUE

Good price for those looking for a Solid Start to Network Attached Storage with an option to expand later
FEATURES

Good mix of enterprise and Home user functionality.
PERFORMANCE

With the exception of 4K transcoding and AES-NI level encryption, this NAS can do everything! Of course if you want things done to an enterprise level, then you should go for some bigger units, but you will be hard pushed to find a better 2 bay NAS for Plex Media Server NAS use, Virtual Machines and All things NAS – particularly at just over £200 to buy this NAS

DESIGN

Second only to the QNAP TS-253A, the QNAP TS-251+ is one of the best 2-bay NAS units from QNAP in the market this 2016. The design is the result of years of chassis design in previous unit and is very easy on the eye. A good combination of plastic and metal throughout where it counts.

 

Synology DS716+II CONS

 

VALUE

Suited to all operating systems but those in the Mac community might want to cast a glance at the Synology DS716+ first.

FEATURES

Just the lack of AES-NI encryption to speed up encrypted data transmissions is missing.

PERFORMANCE

The only remark I can make about performance is that it is only slightly (and I really mean slightly…like teeny tiny) less user-friendly than the Synology DS716+

DESIGN

Only available in Black/Grey – So you Mac fans of everything in brushed silver or white will be disappointed

How to the QNAP TS-251+ and QNAP HS-251+ NAS Compare?

 

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QNAP TS-251+ NAS

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QNAP HS-251+ NAS

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OS

Embedded Linux

Embedded Linux

CPU

Quad-Core Intel® Celeron® 2.0GHz (up to 2.42GHz)

Quad-core Intel® Celeron® 2.0GHz (Up to 2.42GHz)

Memory (RAM)

2GB / 8GB SO-DIMM DDR3L

2GB DDR3L

Flash

512MB (DOM)

512MB (DOM)

Number of RAM Slots

2 (Max 8 GB)

Max. number of HDDs/SSDs

2x 2.5″ or 3.5″ SATA 6Gb/s, 3Gb/s

2x 2.5″ or 3.5″ SATA 3Gb/s

Hot-Swappable HDD Tray

   

Expansion Enclosure Support

1 (UX-800P, UX-500P)

1 (UX-800P, UX-500P)

Gigabit LAN Ports

2

2

Jumbo Frame (GbE)

   

USB 2.0

2

2

USB 3.0

2

2

IR Sensor (Infrared Receiver)

Yes (RM-IR002 & MCE)

Yes (RM-IR002 & MCE)

Free Remote Control

 (RM-IR002)

 (RM-IR002)

HDMI

1 (1080p)

1 (1080p)

LED Indicators

Power/Status, LAN, USB, HDD1-2

Status, LAN

Buttons

Power, Reset, USB Auto Copy

Power, Reset

Form Factor

Tower

Set-Top design

Dimensions (HxWxD) mm

169 x 102 x 219 mm
6.65 x 4.02 x 8.62 inch

41.3 x 302 x 220

Weight (Net/ Gross)

1.28 kg (2.82 lbs) / 2.32 kg (5.11 lbs)

1.56kg/ 2.62kg

Temperature

0 – 40 °C

0 – 40 °C

Humidity

5 – 95% R.H

5 – 95% R.H

Power Supply Specification

External Power Adapter, 60W, 100-240V

External Power Adapter, 60W, 100-240V

Power Consumption: HDD Sleep Mode (W)

10.56

7.1

Power Consumption: Operating Mode, Typical (W)

18.09

15.8

Power Consumption: System Sleep

0.574

0.6

Noise Level dB(A)

15.4

6.5

Seq. Write, 64KB (MB/s)

225 (2 x GbE)

224

Seq. Read, 64KB (MB/s)

223 (2 x GbE)

224

Seq. Write with AES 256-bit Volume Encryption (MB/s)

178 (2 x GbE)

184

Seq. Read with AES 256-bit Volume Encryption (MB/s)

205 (2 x GbE)

191

File System: Internal Hard Drive

EXT4

EXT4

File System: External Hard Drive

EXT3, EXT4, NTFS, FAT32, HFS+

EXT3, EXT4, NTFS, FAT32, HFS+

Port Trunking / Link Aggregation

   

Network Service Discovery (UPnP & Bonjour)

   

Virtual LAN (VLAN)

   

Wireless LAN via USB Wi-Fi Adapter

802.11ac/a/n

802.11ac/a/n

Surveillance Station

   

Max Number of Cameras

Default: 2, Max.: 40 (optional license purchase)

Default: 2, Max.: 40 (optional license purchase)

Mobile Surveillance App for iOS & Android

Vmobile

Vmobile

Surveillance Local Display

   

Max USB Webcam for liveview or snapshot (QUSBCam App)

2 (up to 1280×960, 5FPS)

2 (up to 1280×960, 5FPS)

Virtualization Station

Yes (RAM of NAS >= 2 GB)

 

Container Station

   

Qsirch (RAM of NAS >= 2GB)

   

Linux Station (RAM of NAS >= 4GB)

 

Syslog Server & Client

   

Antivirus

Yes (Optional McAfee Antivirus available)

Yes (Optional McAfee Antivirus available)

Mail Server

Xmail, Xeams (QPKG)

Xmail (QPKG)

VPN Server (PPTP + OpenVPN + L2TP)

Yes (Max clients: 15 + 15 + 15)

Yes (Max clients: 15 + 15 + 15)

myQNAPcloud Remote Access and File Sharing

   

3rd Party Cloud Storage

Amazon S3/Glacier, ElephantDrive, Google Drive, Microsoft Azure

Amazon S3/Glacier, ElephantDrive, Google Drive, Microsoft Azure

Mobile Apps for iOS & Android

Qfile, Qmanager, Qphoto, Qmusic, Qnotes, VMobile, Vcam, Qremote

Qfile, Qmanager, Qphoto, Qmusic, Qnotes, VMobile, Vcam, Qremote

Max. Number of Users

4096

4096

Max. Number of User Groups

512

512

Max. Number of Share Folders

512

512

Max. Number of Concurrent Connections

800

700

Language

English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek

English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek