QNAP TS-451S 4-Bay NAS Network Storage with 1GB RAM

USD 569.107 SKU: TS-451S (1GB RAM)

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General Type
Network Storage 2.5" SATA 6Gbps)
General Features
RAM: 1 GB DDR3L, Flash Memory: 512MB DOM, Fan: 1 x Quiet Cooling fan (7 cm, 12V DC), CPU: Intel Celeron 2.41GHz Dual-Core Processor (burst up to 2.58 GHz)
General Interface
3 USB 3.0 Port (Front: 1, Rear: 2)
Expansion And Connectivity Interfaces
LAN: 2 x Gigabit RJ-45 Ethernet Port, HDMI: (v1.4a)
Expansion And Connectivity Compatible Bays
4-Bay NAS
Power Source
Power Supply: External Power Adapter, 90W, 100-240V
Physical Dimensions
150 x 102 x 216 mm
Physical Weight
2.92 kg
Others Temperature
Others Additional Features
Secure Design: Kensington Security Slot for Theft Prevention, IR Receiver: MCE-Compatible, Alarm Buzzer: System Warning


QNAP TS-451S 4-Bay NAS Network Storage with 1GB RAM
The TS-451S provides a high performance and high capacity storage solution for SOHO and home, workgroup, and SMB users. Powered by the advanced QTS operating system, the TS-451S performs as an easy-to-use yet powerful NAS for data backup, file synchronization, remote access, home entertainment, and is ideal for users to build a personal cloud to access their data easily.

High Prformance
Powered by a new 22nm 64-bit dual-core Intel Celeron 2.41GHz processor with 1GB energy-efficient DDR3L RAM (upgradable up to 8GB), coupled with the support of dual LAN ports and HDMI connectivity, the TS-451S is a powerful home NAS with supreme value and great performance to deliver up to 220MB/s read & write speeds. The TS-451S can also automatically increase the processor's clock rate from 2.41GHz to 2.58GHz when needed for CPU-intensive tasks. The TS-451S’s fast encryption and decryption performance provides transfer speeds of up to 68MB/s with AES-256 bit volume encryption, boosting system performance & security while ensuring the safety of sensitive personal data stored in the TS-451S. When installed with the latest dual-band 2.4GHz/5GHz 802.11ac WiFi network card, the TS-451S can offer remarkably high speeds for transferring large amount of files and streaming bandwidth-consuming multimedia.

Easily Build Your Personal Cloud and Access Anywhere
QNAP’s myQNAPcloud provides an always-connected infrastructure for business and home users to build their private or personal cloud with ease. Through any web browser or the free mobile app the TS-451S becomes your personal cloud so you are always connected to your data. Take advantage of the myQNAPcloud service, which allows you to remotely access your TS-451S wherever you are. Instantly stream or share your multimedia contents and share them with your friends.

Stream Media via DLNA, AirPlay and Plex
You can use DLNA compatible devices such as HDTVs, Smart TVs, Sony PS3, Microsoft Xbox 360 and HiFi systems to enjoy HD quality videos and high-resolution audio content such as DSD (Direct Stream Digital) audio format stored on the TS-451S. You can also use the Qfile app on an iOS device to browse videos and photos stored on the TS-451S and play on the TV via Apple TV. By installing the QAirplay app, available on the QTS App Center, you can stream your media content directly on a TV via Apple TV. The media contents are streaming on Apple TV, bypassing your mobile device, thus saving the energy of your mobile device. The TS-451S's support for Plex Media Server organizes all of your media with rich information and transforms the TS-451S into a powerful & easy to use streaming machine with DLNA, Roku, Amazon Fire TV, and Google TV support.

Enjoy Full HD videos with HD Station via HDMI
QNAP HD Station integrates the powerful Kodi media player and web browser. With HDMI 1.4a connectivity, you can connect the TS-451S to a HDTV to enjoy your rich multimedia content on the big screen. The splendid user interface and support for 7.1 channel surround sound audio passthrough bring smooth playback of Full HD videos providing a quality home theater experience. You can also turn your mobile devices into remote controls by installing the Qremote app or use QNAP RM-IR002 remote control and MCE remote controls via the built-in IR receiver of the TS-451S for convenient and easy control of the HD Station.

Use Your TS-451S 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-451S as a PC when they plug in a keyboard, mouse and monitor. With QvPC Technology, the TS-451S 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.

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-451S. The USB 3.0 port on the front panel of the TS-451S features a one-touch-copy function for you to instantly back up data on external drives to the TS-451S with just one click, or alternatively to back up data from the TS-451S to external drives. A wide range of third-party backup software such as Acronis True Image and Symantec Backup Exec are also supported.

Disaster Recovery Solutions Bring Peace of Mind
The TS-451S offers various data recovery options. RTRR (Real-Time Remote Replication) supports real time and scheduled data backup to remote Turbo NAS or FTP servers and synchronizes files to remote folders from local folders with better backup efficiency and reduced backup time. The TS-451S also supports rsync protocol to back up data to remote servers on a scheduled basis. Data can also be backed up to and restored from a range of cloud storage services.

  • Transcode Full HD videos on-the-fly or offline
  • Play 1080p videos with 7.1 channel surround sound pass-through via HDMI output
  • Create a personal cloud and stream your multimedia library via DLNA, AirPlay, and Plex
  • Centralize your file storage, sharing and backup
  • Run a virtual machine and extend the functionality of the NAS with an integrated virtualization solution
  • Expand the total raw storage capacity up to 52TB (with maximum 12 hard drives) with the economical QNAP expansion enclosure UX-800P