QNAP 4-Bay Personal Cloud NAS file sharing and backup with DLNA

  • Discontinued - Call for Alternative
  • Supports DLNA and AirPlay for media streaming
  • Cross-platform file sharing, centralized data storage
  • Supports multiple port-trunking modes
SKU: TS-431-US TS-431-US-2195
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QNAP 4-Bay Personal Cloud NAS file sharing and backup with DLNA
  • Discontinued - Call for Alternative
  • Supports DLNA and AirPlay for media streaming
  • Cross-platform file sharing, centralized data storage
  • Supports multiple port-trunking modes

The TS-431 is a powerful yet easy-to-use network storage center for backup, synchronization, remote access, and home entertainment. Powered by an advanced ARM Cortex A9 dual-core processor, the TS-431 delivers incredible performance as a home NAS with three USB 3.0, one eSATA, and dual LAN ports. 431 can enhance your digital lifestyle. The TS-431's enhanced encryption and decryption performance provides transfer speeds of over 30MB/s with AES-256 bit full NAS volume encryption, boosting system performance & security while ensuring the safety of sensitive personal data stored in the TS-431. You can also use the TS-431 as a home multimedia hub to enjoy your photo, music and videos while downloading or backing up files without impacting the TS-431's performance. When installed with the latest 802.11ac or dual-band 2.4GHz/5GHz 802.11n Wi-Fi USB adapter, the TS-431 can offer remarkably high speeds for transferring large amount of files and streaming bandwidth-consuming multimedia.



SKU: TS-431-US

In The Box
Flat head screw (for 3.5" HDD)
Flat head screw(for 2.5" HDD)
Ethernet Cable
Power Cable
Quick Installation Guide

Special Feature: Easily monitor CPU, memory, disk & network bandwidth usage, as well as currently-running Turbo NAS apps and services.

Dimensions: 6.65" x 6.0" x 8.62"

Power: External Power Adapter, 90W, 100-240V

Transmission: 2x Gigabit RJ-45 Ethernet port 3x USB 3.0 port (Front: 1, Rear: 2)1x eSATA port (Rear)

Storage: 4x 3.5" or 2.5" SATA 6Gb/s, SATA 3Gb/s HDD or SSD

Service: No monthly fee


 CPU: Freescale™ ARM®v7 Cortex®-A9 dual-core 1.2GHz processor
 DRAM: 512MB
 Flash Memory: 512MB
 Hard Disk Drive: 4 x 3.5-inch or 2.5-inch SATA 6Gb/s, SATA 3Gb/s HDD or SSD
 Hard Disk Tray: 4 x Hot-swappable tray
 LAN Port: 2 x Gigabit RJ-45 Ethernet port
 LED Indicators: Power, Status, LAN, USB, HDD1-4
 USB/eSATA: 3 x USB 3.0 port (Front: 1, Rear: 2), 1 x eSATA port (Rear)
 Support USB & eSATA storage devices, USB printer, pen drive, and UPS etc.
 Buttons: Power, USB One-Touch-Copy, reset
 Alarm Buzzer: System warning
 Form Factor: Tower
 Sound Level*: Sound pressure (LpAm): 17.5 dB(A)
 Operating Temperature: 0 - 40°C / 32-104°F
 Humidity: 5 - 95% RH non-condensing, wet bulb: 27°C
 Secure Design: Kensington security slot for theft prevention
 Fan: 1 x quiet cooling fan (12 cm, 12V DC)
 Certification: FCC, CE, BSMI, VCCI, C-TICK


 Power Supply: External Power Adapter, 90W, 100-240V
 Power Consumption (W):
 HDD standby: 14.84W
 In operation: 33.75W (with 2TB HDDs installed)
 Power Management:
 Wake on LAN
 Internal hard drive standby mode
 Scheduled power on/off
 Automatic power on after power recovery
 USB and network UPS support with SNMP management


 Operating System: QTS 4.1 (embedded Linux)
 Storage Management:
 Single Disk, JBOD, RAID 0, 1, 5, 6, 10, 5 + spare
 Global hot spare
 Online RAID capacity expansion
 Online RAID level migration
 Bad block scan and hard drive S.M.A.R.T.
 Bad block recovery
 RAID recovery
 Bitmap support

Access Right Management

 Import/export users
 User quota management
 Local user access control for CIFS, AFP, FTP, and WebDAV
 Application access control for Photo Station, Music Station, and Video Station
 Subfolder permissions support for CIFS/SMB, AFP, FTP, and File Station

Supported Clients

 Apple Mac OS 10.7 or later
 Linux and UNIX
 Microsoft Windows 7, 8, and 10
 Microsoft Windows Server 2003, 2008 R2, 2012, 2012 R2 and 2016

Supported Browsers

 Google Chrome
 Microsoft Internet Explorer 10+
 Mozilla Firefox
 Apple Safari

myQNAPcloud Service

 Private cloud storage and sharing with myQNAPcloud id (QID)
 Free hostname registration (DDNS)
 Auto router (via UPnP) con?guration
 Web-based file manager with HTTPS 2048-bit encryption
 Cloudlink for remote access without complicated router setup
 myQNAPcloud connect for easy VPN connection (Windows VPN utility)

File System

 Internal hard drive: EXT4
 External hard drive: EXT4, EXT3, NTFS, FAT32, HFS+


 Syncs files among multiple devices with SSL support
 Selective synchronization for syncing specific folders only
 Share team folder as a file center for team collaboration
 Shares files by links via e-mail
 Policy settings for conflicted files and file type filter support
 Incremental synchronization for HDD space saving
 Supports Windows & Mac OS


 TCP/IP: IPv4 & IPv6*
 Dual Gigabit NICs (failover, multi-IP settings, port trunking/NIC teaming )*
 Service binding based on network interfaces*
 Proxy client, proxy server
 DHCP client, DHCP server
 NTP server
 Protocols: CIFS/SMB, AFP(v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
 UPnP & Bonjour discovery
 Wi-Fi 802.11 ac/a/b/g/n USB adapter support

Web Administration

 Personalized desktop
 Smart toolbar and dashboard for system status
 Dynamic DNS (DDNS)
 SNMP (v2 & v3)
 Resource monitor
 Network recycle bin for file deletion via CIFS/SMB, AFP and File Station
 Automatic cleanup
 File type filter
 Comprehensive logs (events & connection)
 Syslog client/server
 Mobile app: Qmanager for remote system monitoring & management


 Network access protection with Auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
 CIFS host access control for shared folders
 AES 256-bit volume-based data encryption**
 AES 256-bit external drive encryption**
 Importable SSL certificate
 Instant Alert via E-mail, SMS, and beep
 Antivirus protection

Powerful All-in-one server

 File Server
 File Sharing across Windows, Mac, and Linux/UNIX
 Windows ACL
 Advanced folder permission for CIFS/SMB, AFP, FTP
 Shared folder aggregation (CIFS/SMB)

FTP Server

 FTP over SSL/TLS (Explicit)
 FXP supported

Cloud Storage Backup

 Amazon S3
 Amazon Glacier
 WebDAV-based cloud storage
 Microsoft Azure
 Open Stack
 Google Cloud Storage

File Station

 Supports ISO Mounting (Up to 256 ISO Files)
 Support thumbnail display of multimedia files
 Support share download link and upload link
 Drag-n-drop Files via Chrome and Firefox Browsers
 Photo, music, and video preview and playback
 File Compression and decompression (ZIP and 7z)

Print Server

 Max number of printers: 3
 Print job display and management
 IP-based and domain name-based privilege control

iTunes Server

 Audio and Video Sharing for Windows & Mac iTunes

VPN Server

 Secure remote access: PPTP & OpenVPN VPN services
 Max number of clients: 15 for PPTP & 15 for OpenVPN

DLNA Server

 Supports DLNA/UPnP TVs and Players such as PlayStation 3 and Xbox 360


 Streams videos, photos and music from NAS to Apple TV via Qfile or Media Streaming add-on.

Mobile Apps

 Qfile: iOS, Android Phone, window phone
 Qfile HD: iPad version
 Qmanager: iOS, Android Phone
 Qmusic: iOS, Android Phone
 Qremote: iOS, Android Phone
 Qget: Android Phone
 Vmobile: iOS, iPad, Android Phone

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