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QNAP TS-451+ 8GB Diskless, Quad-core Intel Celeron 2.0GHz, 8GB DDR3L RAM (2 x 4GB), 2 x 1GbE RJ-45, Hardware Transcoding, HDMI Output, Virtualization Support.

Specifications:

CPU Intel® Celeron® 2.41GHz dual-core processor (burst up to 2.58GHz)
DRAM
TS-451-4G: 4GB DDR3L RAM (2GB x 2)
TS-451: 1GB DDR3L RAM
Total memory slots: 2 (expandable up to 8GB)
NOTE:
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 DOM
Hard Disk Drive 4 x 3.5” or 2.5” SATA 6Gb/s, SATA 3Gb/s hard drive or SSD
NOTE:
1. The system is shipped without HDD.
2. For the HDD compatibility list, please visit https://www.qnap.com/compatibility/
Hard Disk Tray 4 x Hot-swappable tray
LAN Port 2 x Gigabit RJ-45 Ethernet port
LED Indicators Status, LAN, USB, HDD 1-4
USB 2 x USB 3.0 port (Front: 1, Rear: 1)
2 x USB 2.0 port (Rear: 2) 
Support USB printer, pen drive, and USB UPS etc.
HDMI 1
Buttons Power/Status, USB One-Touch-Backup, reset
Alarm Buzzer System warning
IR Receiver MCE-compatible
Form Factor Tower
Dimensions 169(H) x 160(W) x 219(D) mm
6.65(H) x 6.3(W) x 8.62(D) inch
Weight Net: 3 kg (6.61 lbs) / Gross: 4.3 kg (9.48 lbs)
Power Consumption (W) HDD standby: 15.85W
S3 sleep: 0.55W
In operation: 31.07W
(with 4 x 1TB HDD installed)
Sound Level* Sound pressure (LpAm): 16.9 dB(A)
Temperature 0-40˚C
Humidity 5~95% RH non-condensing, wet bulb: 27˚C
Power Supply External Power Adapter, 90W, 100-240V
Secure Design Kensington security slot for theft prevention
Fan 1 x quiet cooling fan (12 cm, 12V DC)

* Testing Environment:
Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS

 

Designs and specifications are subject to change without notice.

 

Features:

Operating System
QTS 4.1 (embedded Linux)
Storage Management
  1. Online Volume Expansion
  2. RAID types: Single Disk, JBOD, RAID 0, 1, 5, 6, 10, 5 + hot spare
  3. Global hot spare
  4. Online RAID Capacity Expansion***
  5. Online RAID Level Migration
  6. Storage expansion via QNAP UX-500P / UX-800P expansion unit (Max: 1 unit)
  7. Bad block scan and hard drive S.M.A.R.T.
  8. Bad block recovery
  9. RAID recovery
  10. Bitmap support
Supported Clients*
  1. Windows XP and Windows Server 2003 onward, Apple Mac OS X onward, Linux & UNIX

Power Management
  1. Wake on LAN
  2. Internal hard drive standby mode
  3. Scheduled power on/off
  4. Automatic power on after power recovery
  5. USB and network UPS support with SNMP management
  6. System sleep mode (S3)**
Supported Browsers
  1. Chrome, IE 10+, Firefox, Safari
Access Right Management
  1. Batch users creation
  2. Import/export users
  3. User quota management
  4. Local user access control for CIFS, AFP, FTP, and WebDAV
  5. Application access control for Photo Station, Music Station, Video Station, and Multimedia Station
  6. Subfolder permissions support for CIFS/SMB, AFP, FTP, and File Station
Multilingual Support
  1. Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, Turkish
myQNAPcloud Service
  1. Private cloud storage and sharing with myQNAPcloud id (qid)
  2. Free host name registration (DDNS)
  3. Auto router (via UPnP) configuration
  4. Web-based file manager with HTTPS 2048-bit encryption
  5. Cloudlink for remote access without complicated router setup
  6. myQNAPcloud connect for easy VPN connection (Windows VPN utility)
File System
  1. Internal hard drive: EXT4
  2. External hard drive: EXT4, EXT3, NTFS, FAT32, HFS+
Qsync
  1. Syncs files among multiple devices with SSL support
  2. Selective synchronization for syncing specific folders only
  3. Share team folder as a file center for team collaboration
  4. Shares files by links via e-mail
  5. Policy settings for conflicted files and file type filter support
  6. Version control: up to 64 versions.
  7. Incremental synchronization for HDD space saving
  8. Supports Windows & Mac OS
Networking
  1. TCP/IP: IPv4 & IPv6(1)
  2. Dual Gigabit NICs with jumbo frame (failover, multi-IP settings, port trunking/NIC teaming )
  3. Service binding based on network interfaces
  4. Proxy client, proxy server
  5. DHCP client, DHCP server
  6. Protocols: CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
  7. UPnP & Bonjour discovery
  8. USB Wi-Fi adapter support
Web Administration
  1. Multi-window, multi-tasking based system management
  2. Personalized desktop
  3. Smart toolbar and dashboard for neat display on system status
  4. Login screen with personalized photo-wall style
  5. Smart fan control
  6. Dynamic DNS (DDNS)
  7. SNMP (v2 & v3)
  8. Resource monitor
  9. Network recycle bin for file deletion via CIFS/SMB, AFP and File Station
    • Automatic cleanup
    • File type filter
  10. Comprehensive logs (events & connection)
  11. Syslog client/server
  12. System settings backup and restore
  13. Restore to factory default
  14. Mobile app: Qmanager for remote system monitoring & management
Security
  1. Network access protection with auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
  2. CIFS host access control for shared folders
  3. FIPS 140-2 validated AES 256-bit volume-based data encryption*
  4. AES 256-bit external drive encryption*
  5. Importable SSL certificate
  6. Instant alert via E-mail, SMS, beep, and LCD panel*
 
Powerful All-in-one server
File Server
  1. File Sharing across Windows, Mac, and Linux/UNIX
  2. Windows ACL
  3. Advanced folder permission for CIFS/SMB, AFP, FTP
  4. Shared folder aggregation (CIFS/SMB)
AirPlay
  1. Streams videos, photos and music from NAS to Apple TV via Qfile or Media Streaming add-on.
FTP Server
  1. FTP over SSL/TLS (Explicit)
  2. FXP supported
  3. Passive ftp port range control
Download Station
  1. PC-less BT, FTP/FTPS, and HTTP/HTTPS download (up to 500 Tasks)
  2. BT download with Magnet Link and PT support
  3. Scheduled download and bandwidth control
  4. RSS subscription and download (broadcatching)
  5. Bulk download with wildcard settings
  6. BT search
  7. Proxy support for BT download
  8. PC utility: Qget for downloads browsing and management
  9. Mobile app: Qget for downloads browsing and management
File Station
  1. Supports ISO Mounting (Up to 256 ISO Files)
  2. Support thumbnail display of multimedia files
  3. Supported share download link and upload link
  4. Drag-n-drop Files via Chrome and Firefox Browsers
  5. Photo, music, and video preview and playback with hardware accelerated transcoding     
  6. File Compression (ZIP or 7z)
HD Station
  1. Watch various online contents such as Flickr, Picasa, Shoutcast, etc.
  2. Web browser
  3. Supports USB U.S. keyboard and mouse

Note:
The playback and quality of some video files may be affected due to the current CPU and GPU's decoding capability.

Transcode Management
  1. Transcode video files to 240p, 360p, 480p, 720p and 1080p resolution
  2. Automatic video transcoding for watched folders
  3. Hardware accelerated transcoding support
Surveillance Station
  1. Supports over 2,100 ip cameras
  2. Includes 2 free camera licenses, up to 32 camera channels via additional license purchase
  3. Instant playback to check the recent event
  4. Online editing to edit cameras when live view
  5. Visual aid by e-map
  6. Playback and speed control by shuttle bar
  7. Video preview on playback timeline
  8. Intelligent video analytics (iva) for advanced video search
  9. Surveillance client for Mac
  10. Mobile surveillance app: vmobile (iOS and Android)
  11. Mobile recording app: vcam (iOS and Android)
Backup Station
  1. Remote replication server (over rsync)
  2. Real-time remote replication (RTRR) to another QNAP NAS or FTP server
  3. Works as both RTRR server & client with bandwidth control
  4. Real-time & scheduled backup
  5. Encryption, compression, file filter, and transfer rate limitation
  6. Encrypted replication between QNAP NAS servers
  7. Desktop backup with QNAP NetBak Replicator for Windows
  8. Apple Time Machine backup support
  9. Data backup to multiple external storage devices
  10. Synchronizes with cloud storage: Amazon S3, ElephantDrive, Dropbox, and Google Cloud Storage
  11. Third party backup software support: Veeam backup & replication, Acronis True Image, Arcserve backup, emc retrospect, Symantec Backup Exec, etc.
Notes Station
  1. Take notes of everything on your private cloud
  2. Collaborate notes with multi users
  3. Support graphical editor for note editing
  4. Integrate with NAS file system: insert attachment or image from NAS file system
  5. Support event calendar and to-do list
  6. Support image editor: a easy way to highlight the focus in your image
  7. Support note publishing with a single link
  8. Support key word search
  9. Provide Chrome Extension: Notes Station Clipper
    • Clip web page content to your note
Cloud Backup Station
  1. Amazon S3
  2. Amazon Glacier
  3. Webdev-based cloud storage
  4. Microsoft Azure
  5. Open Stack
VPN Server
  1. Secure remote access: PPTP & OpenVPN VPN services
  2. Max number of clients: 30
Print Server
  1. Max number of printers: 3
  2. Print job display and management
  3. IP-based and domain name-based privilege control
Domain Authentication Integration
  1. Microsoft Active Directory (AD)
  2. LDAP server, LDAP client
  3. Domain users login via CIFS/SMB, AFP, FTP, and File Station
Photo Station
  1. Show photos in thumbnails, list, timeline, or folder view
  2. Supports virtual/smart album
  3. Validity control for sharing albums
  4. Tags photos with text, color, and rating
  5. Slideshows with background music and different transition effects
  6. Animated thumbnails for videos
  7. Geotags photos and display them on Google maps
  8. Shares slideshows link to social websites or through email
  9. Supports Facebook friends login
  10. Supports modification on photo taken date
App Center
  1. More than 100 official and community software add-ons (ex: Dropbox, Google Cloud Storage Sync, McAfee, WordPress, HappyGet II, etc.)
Music Station
  1. Plays or Shares Music Collections with Web Browser
  2. Automatic Classification via Media Library
  3. Supported audio format: AIFF, APE, FLAC, M4A, M4A Apple Lossless (ALAC), MP3, Ogg Vorbis, WAV (PCM, LPCM),WMA, WMA PRO, WMA VBR
    * DRM encryption format is not supported.
  4. Internet Radio (MP3)
  5. Up to 8 Music Alarms
Virtualization Station
  1. Support one Virtual Machine (VM) creating to run an operating system such as Windows, Linux, Unix.
  2. VM import from Virtual Appliances
  3. VM export into a virtual appliance in OVF / QVM format
  4. VM clone
  5. VM snapshot
  6. HTML5 based shared remote console
iTunes Server
  1. Audio and Video Sharing for Windows & Mac iTunes
Signage Station
  1. Support dynamic content includes video, image, music, and text message
  2. Support multi users collaboration
  3. Support searching keywords,
  4. Support email and social network sharing
  5. Support design software - iArtist Lite
  6. Support account authority management 
  7. Support various browser playback ( Chrome, Firefox, IE, Safari)
  8. Support most viewed, latest released and different categories content list
Video Station
  1. Show photos in thumbnails, list, timeline, or folder view
  2. Supports virtual/smart collection
  3. Validity control for sharing collections
  4. Tags videos with text, color, and rating
  5. Animated thumbnails for videos
  6. Shares video collection link to social websites or through email
  7. Sorting videos automatically into defined classifications
  8. Display movie information from IMDB
Mobile App:
  1. Qfile: iOS, Android Phone, window phone
  2. Qfile HD: iPad version
  3. Qmanager: iOS, Android Phone
  4. Qmusic:  iOS, Android Phone
  5. Qremote:  iOS, Android Phone
  6. Qget: Android Phone
  7. Vmobile: iOS, iPad, Android Phone
DLNA Server
  1. Supports DLNA/UPnP TVs and Players such as PlayStation 3 and Xbox 360
  2. Supported audio format: AIFF, APE, DSD (DSF, DFF), FLAC, M4A, M4A Apple Lossless (ALAC), MP3, Ogg Vorbis, WAV (PCM, LPCM), WMA, WMA PRO, WMA VBR
    *DRM encryption format is not supported.
  3. Support CUE indexing file for APE, FLAC audio format.
  4. Video and Audio On-the-fly Transcoding
 
 

(1). Not all services are supported.
* The data encryption functions may not available in accordance with the legislative restrictions of some countries.

  Design and specifications are subject to change without notice.

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QNAP TS-451+ 8GB Diskless Professional-grade NAS

Your Custom Configuration:
  • No Hard Drive
  • No RAID
  • No RAM Upgrade
  • No RAIL
  • No Network Card
  • No Warranty
  • No SSD Cache