QNAP HS-251+ Quad-core silent & fanless NAS with HDMI-out for the best audiovisual experience

QNAP

  • $450.00
    Unit price per 


Silent, dust-free, and more powerful

The HS-251+, powered by a quad-core Intel® Celeron® 2.0GHz processor, was created as a silent NAS solution that allows users to enjoy files and media with no distractions, providing a perfect match for home theater enthusiasts and audiophiles looking to maximize their audiovisual experience and users who wish to constantly run their systems without any background noise. Coupled with the support of HDMI connectivity for 1080p video playback and hardware transcoding capability, the HS-251+ is an ideal companion at home for multimedia entertainment. Being fanless, the HS-251+ has no internal moving parts for improved reliability and remains clean and dust-free even after long-term usage. The HS-251+ is best used with SSDs or WD® Red™ & Seagate® NAS drives as a reliable storage solution.

Hardware Specs: 

CPU Intel® Celeron® J1900 quad-core 2.0 GHz processor (burst up to 2.42 GHz)
CPU Architecture 64-bit x86
Graphic Processors Intel® HD Graphics
Floating Point Unit yes
Hardware-accelerated Transcoding , up to 1080P
System Memory 2 GB DDR3L
Maximum Memory 2 GB
Flash Memory 512MB (Dual boot OS protection)
Drive Bay 2 x 3.5-inch SATA 3Gb/s
The system is shipped without HDD.
For the HDD compatibility list, please visit https://www.qnap.com/compatibility/
Drive Compatibility 3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
Hot-swappable yes
SSD Cache Acceleration Support yes
Gigabit Ethernet Port (RJ45) 2
Jumbo Frame yes
USB 2.0 port 2
USB 3.2 Gen 1 port 2
IR Sensor  (RM-IR002 & MCE)
HDMI Output 1, (up to 1080p)
Form Factor Set-Top design
LED Indicators Status, LAN
Buttons Power, Reset
Dimensions (HxWxD) 41.3 × 302 × 220 mm
Weight (Net) 1.56 kg
Weight (Gross) 2.62 kg
Operating temperature 0 - 40 °C (32°F - 104°F)
Relative Humidity 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit 60W adapter, 100-240V
Power Consumption: HDD Sleep Mode 7.1 W
Power Consumption: Operating Mode, Typical 15.8 W
Sound Level 6.5 db(A)
System Warning Buzzer
Kensington Security Slot yes
Max. Number of Concurrent Connections (CIFS) 700

Hardware Specs: 

Operating System
QTS 4.2 (embedded Linux)
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 Client OS
  1. Apple Mac OS 10.7 or later
  2. Linux and UNIX
  3. Microsoft Windows 7, 8, and 10
  4. Microsoft Windows Server 2003, 2008 R2, 2012, 2012 R2 and 2016
Access Right Management
  1. Batch user 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 File Station
  6. Subfolder permissions support for CIFS/SMB, AFP, FTP, and File Station
Supported Browsers
  1. Microsoft Internet Explorer 10+
  2. Mozilla Firefox 8+
  3. Apple Safari 4+
  4. Google Chrome
Domain Authentication Integration
  1. Microsoft Active Directory (AD) & Domain Controller support
  2. LDAP server, LDAP client
  3. Domain users login via 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
  2. Free host name registration (DDNS)
  3. Supports myQNAPcloud SSL certificates (DDNS)
  4. Auto router configuration (via UPnP)
  5. Web-based file manager with HTTPS 2048-bit encryption
  6. myQNAPcloud Link for remote access without any complicated router setup
  7. myQNAPcloud connect for easy VPN connection (Windows VPN utility)
File System
  1. Internal Hard Drive: EXT4
  2. External Hard Drive: EXT3, EXT4, NTFS, FAT32, HFS+
Qsync
  1. Syncs files across multiple devices with SSL support
  2. Selective synchronization for only syncing specific folders
  3. Use team folders as a file center for greater team collaboration (maximum sync tasks:32)
  4. Shares files by links via e-mail
  5. Policy settings for conflicting files and file type filter support
  6. Version control: up to 64 versions.
  7. Incremental synchronization for HDD space saving
  8. Unified privilege management
  9. Unified configuration management
  10. Supports central configuration mode
  11. Supports remote erase / restore
  12. Supports shared folders sync
  13. Supports Windows & Mac OS
Networking
  1. TCP/IP (IPv4 & IPv6: Dual Stack)*
  2. Dual Gigabit NICs with jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
  3. Service binding based on network interfaces
  4. Squid Proxy server
  5. Proxy client
  6. DHCP client, DHCP server
  7. Protocols: CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
  8. UPnP & Bonjour Discovery
  9. USB Wi-Fi Adapter Support
* Not all services supports IPv6.
Web Administration
  1. Movable Icons and personalized desktop
  2. Smart toolbar and dashboard for neat system status display
  3. Smart fan Control
  4. Dynamic DNS (DDNS)
  5. SNMP
  6. Resource monitor
  7. Network recycle bin for file deletion via CIFS/SMB, AFP, and File Station
    - Automatic Cleanup
    - File Type Filter
  8. Comprehensive logs (events & connection)
  9. Syslog client/server
  10. System settings backup and restore
  11. Restore to factory default
  12. 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 and shared folder data encryption*
  4. AES 256-bit external drive encryption*
  5. Importable SSL certificates
  6. Instant alert via E-mail, SMS, beep,and push service
  7. 2-step verification
* Data encryption functions may be unavailable in accordance with the legislative restrictions of some countries.
Storage Management
  1. QNAP flexible Volume/LUN with thin provisioning and space reclaim
  2. RAID 0, RAID 1
  3. Supports storage pools
  4. Online volume expansion
  5. Online storage pool expansion
  6. Online RAID capacity expansion and online RAID level migration
  7. SMART data migration
  8. Storage expansion via QNAP UX-500P/UX-800P expansion units
  9. JBOD enclosure roaming
  10. SSD read-only/read-write cache
  11. Bad block scan and hard drive S.M.A.R.T.
  12. Bad block recovery
  13. RAID recovery
  14. Bitmap support

Powerful All-in-one server

File Server
  1. File sharing across Windows, Mac, and Linux/UNIX
  2. Windows ACL
  3. Advanced folder permissions for CIFS/SMB, AFP, FTP
  4. Shared folder aggregation (CIFS/SMB)
Download Station
  1. PC-less BT, FTP/FTPS, and HTTP/HTTPS, Thunder, FlashGet and qqdl 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. BT search
  6. Proxy support for BT download
  7. Mobile app: Qget for downloads browsing and management
FTP Server
  1. FTP over SSL/TLS (Explicit)
  2. FXP support
  3. Passive ftp port range control
Notes Station
  1. A handy note-taking tool for everywhere you go via your private cloud.
  2. Direct and quick backup from Evernote with re-editing availability
  3. Supports Google Calendar
  4. Import/Export PDF and .epubfile
  5. RSS live feed and auto update
  6. Online quick preview of multimedia attachments
  7. Notes encrypt/decrypt
  8. Smart snapshot for version control
  9. Background tasks available for multi-tasking users
  10. Collaborate on notes with multiple users
  11. Supports graphical editor for note editing
  12. Three-tier Note structure for easy organizing
  13. full site backup for admin user
  14. Supports keyword searching
  15. Provides Chrome Extension: Notes Station Clipper (Clip web page content to your notes)
File Station
  1. Supports mounting a Cloud Drive (such as Google Drive, Dropbox, Microsoft OneDrive, Amazon Drive, Yandex Disk and Box).
  2. Supports mounting remote shared folders through FTP, WebDAV or Microsoft networking (SMB/CIFS)
  3. Supports opening documents via Office Online, Google Docs or Chrome Extension (Edit Office files in Google Docs, Sheets, and Slides)
  4. Supports ISO Mounting (Up to 256 ISO Files)
  5. Supports thumbnail display of multimedia files
  6. Supports sharing download links and upload links
  7. Supports sharing to other NAS users
  8. Drag-n-drop Files via Chrome and Firefox Browsers
  9. Photo, music, and video preview and playback with hardware-accelerated transcoding
  10. File Compression (ZIP or 7z)
  11. Creation of and sending download links for sharing public files with expiration date and password protection
  12. Supports displaying subtitles (*.SRT, UTF-8 format)
    - Video seeking support for video playback during on-the-fly transcoding
    - Supports slideshow playback in media viewer
  13. Mobile App: Qfile for file browsing and management
HD (HybridDesk) Station 3.0
  1. Playback videos, music, photos on TV with KODI via HDMI
  2. Watch various online content such as Flickr, Picasa, Shoutcast, etc.
  3. Web browsers (Chrome, Firefox)
  4. Supports multi-nation keyboard, input and mouse
  5. Supports QNAP Qremote app and the official KODI remote app
  6. 4 new desktop themes
  7. Supports user login permissions
  8. A variety of applications are available including Skype, Plex, and more
Note:
- The playback and quality of some video files may be affected by the system's CPU and GPU decoding abilities.
Container Station
  1. Supports LXC and Docker
  2. Supports CPU/Memory management
  3. Download applications from the built-in Docker Hub Registry
  4. Supports one-click installation, container export/import & console mode
  5. Supports mounting NAS shared folders and data-only containers
  6. Supports auto port forwarding
  7. Supports auto-start containers
  8. Supports downloading Docker certificates
Virtualization Station
  1. Supports Virtual Machine (VM) creation to run operating systems such as Windows, Linux, Unix and Android (512MB RAM usable)
  2. Supports VM import and export
  3. Supports VM cloning
  4. Supports VM snapshots
  5. Supports VM backup and restore
  6. VM console can be displayed via HDMI output - QVM
  7. HTML5-based shared remote console
  8. Support three different networking modes: Isolated, External-only and Bridged
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
  4. Embed subtitles into videos for background transcoding
Web Server
  1. HTTP/HTTPS Connections
  2. Supports WebDAV Connection
  3. Supports Virtual Host (Max: 32)
  4. Importable SSL Certificate
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. Backup versioning for RTRR
  6. Snapshot support for RTRR/Rsync
  7. Encryption, compression, file filter, and transfer rate limitation
  8. Encrypted replication between QNAP NAS servers
  9. Desktop backup with QNAP NetBak Replicator for Windows
  10. Apple Time Machine backup support
  11. Data backup to multiple external storage devices
  12. Synchronizes with cloud storage: Amazon S3, ElephantDrive, Dropbox, and Google Drive
  13. Third party backup software support: Veeam backup & replication, Acronis True Image, Arcserve backup, emc retrospect, Symantec Backup Exec, etc.
Storage Plug & Connect
  1. Creating and mapping shared folders by QNAP Windows Qfinder Pro
  2. Creation of and connection to iSCSI target/LUN
Print Server
  1. Max number of printers: 3
  2. Supports Internet Printing Protocol
  3. Print job display and management
  4. IP-based and domain name-based privilege control
iSCSI (IP SAN)
  1. iSCSI target with multi-LUNs per target (Up to 256 targets/LUNs combined)
  2. Supports LUN mapping & masking
  3. Online LUN capacity expansion
  4. Support for SPC-3 persistent reservation
  5. Supports MPIO & MC/S
  6. iSCSI LUN backup, one-time snapshot, and restoration
  7. iSCSI connection and management by QNAP Windows Qfinder Pro
  8. Virtual disk drive (via iSCSI initiator)
  9. Stack chaining master
  10. Max No. of virtual disk drives: 8
Photo Station
  1. Two browsing modes with gallery and management
  2. Show photos by thumbnails, list, timeline, or folder view
  3. Supports virtual/smart albums
  4. Validity control for sharing albums
  5. Tag photos with text, colors, and ratings
  6. Slideshows with background music and different transition effects
  7. Animated thumbnails for videos
  8. Geotag photos and display them on Google maps
  9. Advanced search by tags, metadata, etc
  10. Supports uploading photos/videos to Picasa, Flickr, Weibo, YouTube
  11. Supports face detection (with the Photo Station Extension)
  12. Supports PDF to image conversion (with the Photo Station Extension)
  13. Share slideshows links to social websites or by email
  14. Supports Facebook friends login
  15. Supports modification on photo taken date
  16. Backup/Restore album configuration
Surveillance Station
  1. Supports over 5,000 IP cameras
  2. Includes 2 free camera licenses, up to 40 camera channels via additional license purchase
  3. Instant playback to check recent events
  4. Online editing to edit cameras during live view
  5. Visual aid by e-map
  6. Playback and speed control using the shuttle bar
  7. Video preview on playback timeline
  8. Intelligent video analytics (IVA) for advanced video searching
  9. Surveillance client for Mac
  10. Mobile surveillance app: Vmobile (iOS and Android)
  11. Mobile recording app: Vcam (iOS and Android)
Music Station
  1. Play or share music via web browser
  2. Automatic classification via Media Library
  3. Supported audio formats: AIFF, APE, FLAC, M4A, M4A Apple Lossless (ALAC), MP3, OggVorbis, WAV (PCM, LPCM),WMA, WMA PRO, WMA VBR*
  4. Supports streaming music to multiple devices
  5. Supports changing album covers via Google search or uploading photos
  6. Internet radio (MP3)
  7. Up to 8 music alarms
  8. Mobile app: Qmusic for music streaming and management
* DRM-protected content is not supported.
VPN Server
  1. Secure remote access: PPTP、L2TP/IPsec&OpenVPN VPN services
  2. Max number of clients: 30
VPN Client
  1. Supported VPN protocols: PPTP &OpenVPN services
  2. PPTP Authentication: PAP, CHAP, MS-CHAP, MS-CHAPv2
  3. PPTP Encryption: None, AES 40/128 bit, AES 256 bit
  4. OpenVPN Encryption: None, AES 40/128 bit, AES 256 bit
  5. Transmission package monitor
  6. OpenVPN port control
  7. OpenVPN link compression
Video Station
  1. Show photos by thumbnails, list, timeline, or folder view
  2. Supports virtual/smart collections
  3. Validity control for sharing collections
  4. Tag videos with text, color, and ratings
  5. Animated thumbnails for videos
  6. Share video links to social websites or through email
  7. Sort videos automatically into defined classifications
  8. Display movie information from IMDB
  9. Display movie posters from IMDB or user upload
  10. Supports displaying subtitles (*.SRT,*.ASS, *.SSA)
  11. Supports searching for subtitles online
  12. Supports importing subtitles
  13. Supports adjusting subtitles display style
  14. Supports Facebook friends login
  15. Supports custom video classification
  16. Supports multi-zone video display
  17. Video seeking support for video playback during on-the-fly transcoding
  18. Mobile app: Qvideo for online video browsing and management
DLNA Server
  1. Supports DLNA/UPnP TVs and players such as PlayStation 4 and Xbox One
  2. Supported audio formats: AIFF, APE, DSD (DSF, DFF), FLAC, M4A, M4A Apple Lossless (ALAC), MP3, OggVorbis, WAV (PCM, LPCM), WMA, WMA PRO, WMA VBR*
  3. Support CUE indexing file for APE, FLAC audio format.
  4. Video and Audio On-the-fly Transcoding
*DRM-protected content is not supported.
Cloud Backup Station
  1. Amazon S3
  2. Amazon Glacier
  3. WebDAV-based cloud storage
  4. Microsoft Azure
  5. OpenStack
Q'center (NAS CMS)
  1. Multiple NAS monitoring
  2. Utilization history reports
  3. Unified configuration management
  4. Visual display reports
  5. Monitor NAS behind NAT router with Q'center Assistant
  6. Virtual appliances supported for Hyper-V and VMware
App Center
Over 100 official and community software add-ons
Chromecast
  1. Streams videos, photos and music from NAS to Apple TV (via Qmedia) via File Station, Music Station, Photo Station, Video Station or mobile app (Qfile, Qmusic, Qphoto or Qvideo). Media Streaming add-on app will need to be install at the QTS's App Center.
  2. Streams videos, photos and music from NAS to TV with Chromecast via File Station, Music Station, Photo Station, Video Station or mobile app (Qfile, Qmusic, Qphoto or Qvideo). Media Streaming add-on app will need to be install at the QTS's App Center.

 

Delivery & Return policy:

Delivery is done through Aramex, packages with a weight of less than 5 kgs will be charged 6000 LBP. The term of delivery extends to be within one to four business days from the date of order confirmation. Read More


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