The 4-bay TS-431U offers the optimal price/performance in a compact 1U chassis network storage server for file sharing, backup, synchronization, remote access, and more. Powered by an advanced ARM® Cortex®-A9 dual-core processor and 1GB RAM, the TS-431U delivers outstanding multitasking performance as a business NAS featuring four USB 3.0 and dual Gigabit LAN ports while maintaining low power consumption for 24/7 always-on usage.
The TS-431U's enhanced hardware-based encryption and decryption engine provides transfer speeds of over 33 MB/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-431U.
Brand: QNAP
SKU: TS-431U-US
In The Box
QNAP TS-431U 4-Bay SMB NAS Server
2x Ethernet Cables
16x Flat Head Screws (for 3.5" HDDs)
12x Flat Head Screws (for 2.5" HDD)
Power Cord
Hard Disk Tray Key
Quick Installation Guide
Special Feature: Equipped with four SuperSpeed USB 3.0 ports, the TS-431U allows you to flexibly arrange tasks with a wide range of external devices without interrupting your current workflow.
Dimensions: 1.73" x 17.28" x 19.65"
Power: Input: 100-240 VAC, 50/60 HzOutput: 250 W
Transmission: 2x Gigabit RJ-45 Ethernet ports with porting trunking support 4x USB 3.0 ports (rear)1x USB 2.0 port (front)
Storage: 4x 3.5" or 2.5" SATA 6Gb/s, SATA 3Gb/s hard drive or SSD
Service: No monthly fee
Hardware
CPU: Freescale™ ARM® Cortex®-A9 dual-core 1.2GHz processor with hardware encryption engine
DRAM: 1GB DDR3 RAM
Flash Memory: 512MB
Hard Disk Drive: 4 x 3.5-inch or 2.5-inch SATA 6Gb/s, SATA 3Gb/s hard drive or SSD
Hard Disk Tray: 4 Hot-swappable and lockable trays
LAN Port: 2 Gigabit RJ-45 Ethernet ports with porting trunking support
LED Indicators: Status, LAN, USB, HDD 1-4
USB: 4 x USB 3.0 ports (rear), 1 x USB 2.0 port (front)
Support USB printer, pen drive, and USB UPS etc.
Buttons: Power, USB One-Touch-Copy, Reset
Alarm Buzzer: System warning
Form Factor: 1U, rack-mountable
Sound Level*: Sound pressure (LpAm): 35.3 dB(A)
Operating Temperature: 0 - 40°C, 5-95% RH non-condensing, wet bulb: 27°C
Fan: 2 x 4cm cooling fan (12V DC)
Power
Power Supply Input: 100-240V AC, 50/60Hz; Output: 250W
Power Consumption (W):
HDD standby: 19.3W
Typical operation: 34.9W (with 4 x 2 TB 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
Software
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
Multilingual Support
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) configuration
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 Networking
Internal hard drive: EXT4
External hard drive: EXT4, EXT3, NTFS, FAT32, HFS+
Qsync
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
Networking
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
USB Wi-Fi 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
Security
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
Print Server
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)
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
AirPlay
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
