4 Bay QNAP TS-453U-4G Gigabit NAS Unit - Computer Alliance
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4 Bay QNAP TS-453U-4G Gigabit NAS Unit

Web ID: 15835

The TS-453U, featuring the easy-to-use QTS operating system, is a powerful, reliable, secure and scalable NAS solution designed for mission-intensive business applications and to meet fast growing data storage needs. The TS-453U supports SATA 6Gb/s drives and delivers high performance with persistent throughput, providing a comprehensive storage solution for SMBs to build a reliable private cloud. ONLY WHILE STOCKS LAST!
Manufacturer PN: TS-453U-4G
Warranty: 1 Year
Manufacturer Website


The TS-453U, featuring the easy-to-use QTS operating system, is a powerful, reliable, secure and scalable NAS solution designed for mission-intensive business applications and to meet fast growing data storage needs. The TS-453U supports SATA 6Gb/s drives and delivers high performance with persistent throughput, providing a comprehensive storage solution for SMBs to build a reliable private cloud.

  • Manage, share, and back up business data with Real-time Remote Replication (RTRR)
  • Expand the total raw storage capacity up to 128 TB with the economical UX-1200U-RP QNAP expansion enclosure
  • NAS and iSCSI-SAN unified storage solution for server virtualization
  • Supports VMware®, Citrix®, and Microsoft® Hyper-V and advanced virtualization features
  • Enhanced data security with high-performance AES 256-bit encryption and anti-virus
  • Use the TS-453U as a PC with exclusive QvPC Technology
  • Run multiple Windows/Linux/Android-based virtual machines with the Virtualization Station
  • Transcode Full HD videos on-the-fly or offline with QNAP’s unique transcoding technology

Energy-saving yet powerful quad-core processor

Powered by a cutting-edge 22nm quad-core Intel® Celeron® 2.0GHz processor with 4GB energy-efficient DDR3L RAM (upgradable to 8GB), coupled with the support of SATA 6Gb/s, 4 Gigabit LAN ports and HDMI output, the TS-453U is a powerful NAS that delivers up to 421 MB/s throughput. The TS-453U can also automatically increase the processor's clock rate from 2.0GHz to 2.41GHz when needed for CPU-intensive tasks. The TS-453U’s fast encryption and decryption performance provides transfer speeds of up to 240 MB/s with AES 256-bit volume encryption, boosting system performance & security while ensuring the safety of sensitive business data stored in the TS-453U.


Tested in QNAP Labs. Figures may vary by environment.

Test Environment:
- OS: QTS 4.1.2
- Volume type: RAID 5; 4 x Seagate ST1000NM0033

Client PCs:
- Intel(R) Core(TM) i7-4770 3.40GHz CPU; DDR3 1600Hz 16GB; Seagate ST500DM002; Intel Gigabit CT (MTU 1500); Windows® 7 Professional 64bit SP1
- IOMeter configuration: Transferring 8GB file continuously to/from 4 PCs for 3 minutes. Block size: 64KB for SMB2.0 (Throughput)

Economical storage expansion with scale-up solution

The TS-453U offers a high performance yet affordable storage solution to fulfill the needs of businesses in archiving rapidly growing data & large files. The TS-453U supports capacity expansion by connecting a QNAP expansion enclosure. With the QNAP scale-up solution, the raw storage capacity can be expanded on demand, making the TS-453U an ideal file center with a large storage capacity for business data.

The maximum raw storage capacity available by connecting a QNAP expansion enclosure:

Turbo NAS Model RAID Expansion Enclosure No. of RAID Expansion Enclosure Total HDD No. (NAS + Enclosure) Max. Raw Capacity (TB)*
TS-453U UX-1200U-RP 1 16 128
UX-800U-RP 1 12 96

*The maximum capacity is calculated by using 8TB HDDs.

Learn more: QNAP expansion enclosures

QTS - Simple and efficient

Thanks to the intuitive user interface of QTS, system operations of the TS-453U are smooth and handy. Its intelligent desktop allows you to find desired functions quickly, create desktop shortcuts or group shortcuts, monitor important system information on a real-time basis, and open multiple application windows to run multiple tasks concurrently, bringing greater operating efficiency.

Learn more: QTS 4

Qsirch – A smarter, faster way to search

Quickly and easily find documents, photos, videos, and music with Qsirch, QNAP’s new built-in NAS search application lets you find what you need by real-time, natural search. Simply type in as much as you know about what you are trying to find, including bits of the file name or even words/phrases in the document, and Qsirch will display a list of matches, complete with thumbnails, as you type. Qsirch even remembers your search history so you can quickly navigate to files you’ve previously searched for. Qsirch is a huge productivity boost – it greatly reduces the amount of time spent looking for files on the NAS so you can focus on other tasks.

Note: 2GB RAM (4GB or more RAM is recommended for optimum performance) and QTS 4.1 or newer firmware is required.

Learn more: Qsirch


SSD cache acceleration

The TS-453U supports SSD caching which can greatly boost the IOPS performance of storage volumes. It is perfect for improving the overall workflow of IOPS-demanding applications such as virtualization.

Learn more: SSD cache

High reliability design ensuring business continuity

The business-ready TS-453U is designed to provide 24/7 operations and services. The support for comprehensive RAID configurations and hot-swapping allow for replacing hard drives without service interruption. QNAP’s advanced RAID recovery technology also helps if any healthy drives are removed from a degraded RAID volume by mistake. The system can be recovered by reinserting the wrongly removed hard drives so the data can still be accessible. The TS-453U delivers high reliability and efficiency with 4 LAN support for multiple port-trunking modes including fail-over support.

Learn more: RAID configurationRAID recoveryGlobal Hot SpareNetwork setting

Cross-platform file sharing, centralized data storage

The TS-453U supports SMB/CIFS, NFS, and AFP protocols for file sharing across Windows, Mac, Linux/UNIX networks. Data, logs and ISO images of CDs and DVDs can be centrally stored on the TS-453U and protected by an integrated antivirus solution. The Windows AD and LDAP services enable system administrators to configure user permissions by using an existing Windows AD server, LDAP server or built-in LDAP service. The TS-453U supports SAMBA v4 and can act as a Windows domain controller to manage privilege settings.

Learn more: File StationWindows Active Directory (AD) , LDAP Directory ServiceAntivirusISO shareSyslog service

Well-rounded backup solutions to secure data

QNAP NetBak Replicator supports real-time and scheduled data backup on Windows including Outlook email archiving. Apple Time Machine is also supported to provide Mac OS X users with a solution to effortlessly back up data to the TS-453U. The USB 2.0 port on the front panel of the TS-453U features a one-touch-copy function for you to instantly back up data from external drives to the TS-453U with just one click, or alternatively to back up data from the TS-453U to external drives. A wide range of third-party backup software such as Acronis® True Image and Symantec® Backup Exec are also supported.

Learn more: NetBak ReplicatorTime Machine backupExternal device backupThird-party backup software compatibility

File synchronization across multiple devices

The Qsync utility turns your TS-453U into a safe data center for file synchronization with a large storage capacity. Any file uploaded to the TS-453U will be made available for all linked devices, such as computers, laptops or mobile devices. Qsync is especially useful for frequent travelers to manage files and always have the most updated files on different devices. Qsync provides multiple ways of file synchronization and group file sharing, greatly enhancing the flexibility of collaboration.

Learn more: Qsync

Disaster recovery solutions brings peace of mind

The TS-453U offers various data recovery options. RTRR (Real-Time Remote Replication) supports real time or scheduled data backup to a remote Turbo NAS or FTP server and synchronizes files to a remote folder from a local folder with better backup efficiency and reduced backup time. The TS-453U also supports rsync protocol to back up data to another remote server on a scheduled basis. Data can also be backed up to and restored from a range of cloud storage services, including Amazon® S3, Amazon Glacier, Microsoft® Azure, ElephantDrive®, Dropbox® and Google Cloud Storage.

Learn more: RTRRrsyncCloud storage backup

Monitor and manage multiple NAS with Q'center

Q'center turns your TS-453U into a central management system to manage multiple Turbo NAS units. After installing Q'center in the QTS App Center, you can use the TS-453U to centrally manage multi-site Turbo NAS for monitoring system logs, managing firmware updates and maintenance; and enjoy major benefits including ease-of-use, cost-efficiency, convenience and flexibility. Managing multiple Turbo NAS becomes so easy and efficient with Q'center.

Learn more: Q'center

Comprehensive security options

In open network environments, business data may be exposed in a potential hack. The TS-453U provides numerous security options, such as encrypted access, IP blocking, and more. IT administrators can also control the access rights of each user to different folders, preventing unauthorized access to important files. The TS-453U is validated with military-level FIPS 140-2 AES 256-bit encryption, preventing sensitive business data from unauthorized access and breach even if the hard drives or the entire system were stolen.

Learn more: Encrypted accessIP blockingHard drive encryption

Storage for comprehensive virtualization applications

The TS-453U supports VMware® and Citrix®, and is compatible with Microsoft® Hyper-V™ and Windows Server 2012, benefiting flexible deployment and management in the virtualization environments. The TS-453U supports VMware VAAI and Microsoft ODX to increase performance by offloading server loading for ESXi server and Hyper-V respectively, and supports QNAP vSphere Client plug-in and QNAP SMI-S provider with enhanced operational efficiency and management in virtualization applications.

Learn more: VMware® Ready™Citrix® /Ready™Microsoft® Hyper-V™,VMware VAAIMicrosoft ODXSMI-S provider for Microsoft SCVMM

Use your TS-453U as a PC with the exclusive QvPC Technology

QNAP’s exclusive QvPC Technology consolidates a number of high-end technologies including VM integration, multimedia transcoding, HDMI output, cloud integration and NAS connection technologies, allowing users to operate the TS-453U as a PC when they plug in a keyboard, mouse and monitor. With QvPC Technology, the TS-453U is transformed into a cost-effective device with PC functionalities for users to directly access stored data, run multiple applications using Windows/Linux/UNIX/Android-based VMs, surf the web on Google Chrome, enjoy Full HD videos with up to 7.1 channel audio with Kodi, monitor Surveillance Station in real time with local display, and much more.

Learn more: QvPC

Run additional operating systems on the TS-453U

With the support for Intel® Virtualization Technology (VT-x), the TS-453U can operate the Virtualization Station, transforming the TS-453U into a 2-in-a-box NAS that can function as an all-in-one NAS and a virtualization platform that supports multiple operating systems, fast virtual machine (VM) creation, VM import/export, snapshot, and enables desktop operations on web browsers. With the easy-to-use interface, you can centrally manage all of the VMs created on the TS-453U with minimal effort. You can also download VMs on demand from online VM markets and import them to the TS-453U without any complex procedures.

Learn more: Virtualization Station

Real-time & offline HD video transcoding

The TS-453U delivers superior real-time Full HD video transcoding to convert videos to formats that can be smoothly played on PCs, mobile devices and Smart TVs. It allows multiple devices to simultaneously view different videos stored on the TS-453U with on-the-fly hardware accelerated transcoding. The TS-453U allows you to enjoy instant videos on multiple devices - even those that lack computing power or have limited file format support - without the need for complicated and time-consuming file conversion.

With the benefit of offline transcoding, if you can only connect to an Internet connection with limited/restricted bandwidth, you can still enjoy smooth videos by selecting a pre-rendered lower resolution to play the videos via File Station, Video Station, or the Qfile mobile app without affecting the TS-453U’s system performance running other applications. This also allows more people to play videos via streaming. The TS-453U also allows you to set a dedicated folder for automatic video transcoding.

Learn more: DLNAFile StationVideo StationQfile

1080p videos local display with HD Station via HDMI

QNAP’s HD Station integrates the powerful Kodi media player and web browser. With HDMI connectivity, you can connect the TS-453U to an HDTV to enjoy your rich multimedia content on the big screen. The splendid user interface and support for 7.1 channel audio passthrough* brings smooth playback of Full HD videos providing a quality home theater viewing experience**. You can even watch YouTube videos, surf the web and manage the Turbo NAS using Google Chrome or Mozilla Firefox with multilingual keyboard input. The HD Station supports user authentication so only authorized users can access data stored on the TS-453U via HDMI monitors. It is convenient & easy to control the HD Station with your mobile device installing the Qremote app as a remote control, or with a USB keyboard and mouse.

*A receiver with HDMI support is required for decoding multi-channel surround sound.
**Video files up to 1080p resolution are supported. Some high-bitrate files or codecs are not supported due to hardware limitations.

Learn more: HD Station

Comprehensive surveillance solution providing 24/7 security

Surveillance Station is professional network surveillance Video Management System (VMS) that offers a user-friendly management interface, over 2,700 compatible IP camera models, and expandable IP camera channel licenses. It supports real-time monitoring, video & audio recording and playback with a wide range of customizable settings. You can also install the Vmobile mobile app on your iOS® or Android™ devices to manage the monitored channels anytime and anywhere to safeguard your office environment, or install the Vcam mobile app to turn your device into a network camera to instantly record to your TS-453U. The TS-453U offers 2 free IP camera channels and you can expand up to 24 channels by purchasing additional licenses.

Learn more: Surveillance Station

Signage Station - Creatively present your animated content and ads

With the Signage Station, it is easy to create content for a wide range of materials such as menu boards, advertisements, posters, and business profiles. The Signage Station is a great tool to invigorate your advertisements or animated materials for promoting your services, and to update contents in a timely manner. The iArtist Lite application, with intuitive editing tools, helps you create these signs with simple drag & drop tools. Your creativity can now travel around the world with a few simple steps to instantly get published, revised, and shared.

Learn more: Signage Station

Install-on-demand apps to extend NAS functionality

The TS-453U has a built-in App Center that provides various install-on-demand apps developed by QNAP and third-party developers, including tools for backup/sync, business, content management, communications, download, entertainment, and much more. It is also a centralized location for managing & updating installed apps. In addition, QNAP’s development platform embraces the open-source spirit to enable developers to create their own apps, adding potentially limitless potential for the TS-453U.

Learn more: App Center


The TS-453U utilizes a 22nm CPU and DDR3L RAM which feature low voltage requirements and low power consumption whilst maintaining high performance in system operations. Other eco-friendly designs include scheduled power on/off, hard disk standby mode, and Wake on LAN.

Learn more: Scheduled power on/off or resetHard disk standbyWake on LAN

Additional SMB-ready features

The TS-453U supports various business applications as an all-in-one Turbo NAS with cost-efficiency.

The Turbo NAS supports FTP server to share large files, with user-defined settings including bandwidth limitation, number of connections, and write-only permissions.

The Turbo NAS supports Surveillance Station to connect and manage multiple IP cameras remotely, including real-time monitoring, video recording, playback, and event notifications.

Click here to learn more other business features.


Processor Quad-core Intel® Celeron® 2.0GHz (up to 2.41GHz)
Memory Installed: 4GB DDR3L SDRAM (1 x 4GB)
Slots: 2 SODIMM (Max: 8GB)

1. When installing two memory modules, please ensure that they are the same size and ideally use the same type of RAM for both memory slots.
2. For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide
Flash memory 512MB
Internal drive 4 x 3.5" or 2.5" SATA 6Gb/s, SATA 3Gb/s hard drive or SSD

1. The system is shipped without HDD.
2. HDD compatibility list
Drive tray 4 Hot-swappable and lockable trays
Network interface 4 RJ45 Gigabit Ethernet ports
Ports 5 USB 3.0 (front: 1, rear: 4)
1 console (system maintenance)
LED indicators Status, LAN, USB, HDD 1, HDD 2, HDD3, HDD4
Buttons Power, USB One-Touch-Copy, reset
Alarm buzzer System warning
Form factor 1U, rack mountable
Dimensions 44 (H) x 439 (W) x 499 (D) mm
1.73 (H) x 17.28 (W) x 19.65 (D) inch
Weight Net weight: 7.63 kg (16.82 lbs.)
Gross weight: 11.60 kg (25.57 lbs.)
Power consumption (W) HDD standby: 23.54W
In operation: 39.86W
(with 4 x 2TB HDD installed)
Temperature 0-40°C
Humidity 0~95% R.H.
Power supply Input: 100-240V AC, 50/60Hz; Output: 250W
Fan 2 x 40mm, 12V DC


1. USB 3.0 x 1 6. Gigabit LAN x 2
2. LED Indicators:
Status, LAN, USB, HDD 1, HDD 2, HDD3, HDD4
7. USB 3.0 Port x 4
3. Power Button 8. Gigabit LAN x 2
4. Console port (for maintenance only) 9. HDMI
5. Password & Network Settings Reset Button 10. Power Connector