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Expert Reviews (10) The following reviews are from your region. The average score is calculated from international review scores.

  • Given my past experiences with network drives, I put off getting the TS-451+ setup for a while. But once I did get to it I was disappointed I didn't do it sooner. Setup was a lot easier than I expected. QNAP did a great job packing in all of the not so u...

  • 10 0
    9

    Date: 6/2/2016

    We really should come up with a new name for this class of system, as calling it a simple Network Attached Storage (NAS) isn't telling users the type of power devices like this have. Instead, they're more like full fledged computers that just happen to be...

  • 10 0
    8

    Date: 3/20/2016

    QNAP NAS devices are always packed with plenty of features, and the TS-451+ is no exception. With the latest 4.2 firmware, the TS-451+ offers everything that you can get from the more expensive models that QNAP offers such as QvPC, virtualization, Contain...

  • The latest additional in the QNAP line up has a distinct multimedia focus with the bundled IR remote. Aside from the bump up in specs compared to the non- plus model, the big factor here is the QTS 4.2 firmware which really drives the power behind the uni...

  • For a long time, the QNAP TS-451 was my favourite 4-bay NAS for a number of reasons. Firstly, it was plenty fast, especially given the price.Secondly it supported a number of great features such as full 1080p on the fly transcoding, with 7.1 channel surro...

  • Good: Strong SMB and iSCSI performance, Superior software feature set, Over 100 applications that run on the system

    Bad: Plastic everywhere, Lesser build quality and design than other QNAP products, MSRP of 8GB model is priced much higher than it should be

    All things considered the QNAP TS-451+ is a complete solution that takes advantage of QNAP's QTS software, the best NAS OS available today. QNAP could do better with some of the design to make it feel like you are not buying $500 to $600 of plastic...

  • Good: Good overall performance during iSCSI connectivity, QTS 4.2 offers a ton of useful features, Scalable to 72TB via expansion units

    Bad: Showed higher latency in CIFS configuration

    Catered towards home and small offices, the QNAP TS-451+ is an affordable and versatile 4-bay tower NAS that offers users plenty of power, useful functionality, and QTS 4.2 compatibility...

  • Good: Build Quality, Intel Celeron J1900 Quad Core CPU, Excellent Performance, Features, 8GB DDR3L RAM (Our Sample), Bundled IR Remote, Power Consumption / Noise Levels, 2 Gigabit Ethernet Ports, 2 USB 3.0 Ports & 2 USB 2.0 Ports, HDMI v1.4a Output, RAID 0/1/5/...

    Bad: Surveillance Station Issue in QTS 4.2.1 Beta

    The brand new TS-451+8G offers roughly the same performance and features as the TS-453Mini-8G which we reviewed a while back but does so by using up less power and producing lower noise levels (surprising since the TS-453Mini is advertised as the silent m...

  • 10 0
    9.4

    Date: 11/11/2015

    Good: High performance, Strong CPU (for a NAS) that consumes very little power, Silent operation, Low power consumption, It runs one of the best operating systems for NAS servers, Support for up to 8 GB of RAM (which will definitely suffice for home use), Two E...

    Bad: Price, The price gap between the 8G and 2G models is huge, Plastic trays that don't feature locks or sound-dampening materials, Would like to see shorter boot and restart times

    The QNAP TS-451+ 8G retails for $649.99, and the TS-451+ 2G (with 2 GB of RAM) retails for $529.99 High performance Strong CPU (for a NAS) that consumes very little power Silent operation Low power consumption It runs one of the best operating systems for...

  • In order to keep testing consistent across all 4-bay units, we performed all our expansion / rebuild testing as well as power consumption evaluation with the unit configured in RAID-5. The disks used for benchmarking (Western Digital WD4000FYYZ) were also...

Where to Buy (5)

  • QNAP TS-451+ NAS Tower Ethernet LAN Black*

    Amazon.com

  • QNAP TS-451+ NAS Tower Ethernet LAN Black*

    Newegg.com

  • QNAP TS-451+ NAS Tower Ethernet LAN Black*

    B&H Photo Video

  • QNAP TS-451+ NAS Tower Ethernet LAN Black*

    Adorama

  • QNAP TS-451+ NAS Tower Ethernet LAN Black*

    Rakuten.com

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Technical Specifications

Processor

  • Intel® Celeron®
  • 2 GHz
  • 4

Design

  • Black

Display

  • HDD, LAN, Power, Status, USB

Memory

  • 1600 MHz
  • 2

Networking

  • Y
  • N
  • 2

Operating System & Software

  • QNAP Turbo System

Ports & Interfaces

  • 2
  • 1

Weight & Dimensions

  • 177 mm
  • 180 mm
  • 235 mm
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