Thiết bị lưu trữ QNAP TVS-471U-i3-4G

FeaturesThe QNAP TVS-471U, featuring the easy-to-use QTS operating system, provides a reliable and scalable NAS solution to fulfill data backup, file synchronization and remote

SKU: TM900

Giá tham khảo:

The QNAP TVS-471U, featuring the easy-to-use QTS operating system, provides a reliable and scalable NAS solution to fulfill data backup, file synchronization and remote access. The TVS-471U is 10GbE-ready, delivers exceptional performance, and supports cross-platform file sharing, comprehensive backup solutions, iSCSI and virtualization applications, and many practical business functions, making it the ideal choice for SMBs to secure important business data. It also includes abundant multimedia applications backed by its powerful hardware specifications.

  • 1,530+ MB/s throughput and 129,000+ IOPS
  • Two internal cache ports for IO acceleration
  • Scalable design, up to 1056TB raw capacity
  • Virtualization-ready, centralized data storage, backup, sharing and disaster recovery

Hardware spec.

CPU TVS-471U-PT-4G: Dual-core Intel® Pentium® G3250 3.1 GHz Processor
TVS-471U-i3-4G: Dual-core Intel® Core™ i3-4150 3.5 GHz Processor
DRAM TVS-471U-PT-4G / TVS-471U-i3-4G

System memory: 4 GB DDR3 RAM
Memory module pre-installed: 4 GB x1
Total memory slots: 4
Memory expandable up to: 32 GB (8GB x4)
Note: When upgrading RAM to more than 28GB, the original 4GB RAM modules must be removed.


For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide

Flash Memory 512MB DOM
Internal Cache Port Two mSATA port on board for read caching

Note: The standard system is shipped without mSATA flash module. For the optional mSATA flash module, please visit

Hard Drive 4 x 3.5-inch SATA 6Gb/s, SATA 3Gb/s hard drive or 2.5-inch SATA, SSD hard drive
1. The standard system is shipped without hard drives.
2. For the hard drive compatibility list, please visit
Hard Disk Tray 4 x hot-swappable and lockable tray
LAN Port 4 x Gigabit RJ-45 Ethernet port
(Expandable up to 6 x 1 Gb LAN or 2 x 10 Gb + 4 x 1 Gb LAN by installing optional dual-port 10 Gb and 1 Gb network card)

1. For the optional network card compatibility list, please visit
2. For the information of network card installation, please refer to chapter 6 in the Turbo NAS Hardware Manual.

LED Indicators Status, 10 GbE, LAN, storage expansion port status
USB/eSATA 4x USB 3.0 port (rear)
4x USB 2.0 port (rear)

Support USB printer, pen drive, USB hub, and USB UPS etc. .

Buttons System: Power button and reset button
Alarm Buzzer System warning
Form Factor 1U, Rackmount
Dimensions 44 (H) x 439 (W) x 499 (D) mm
1.732 (H) x 17.28 (W) x 19.64 (D) inch
Weight Net weight: 7.63 kg (16.82 lbs.)
Gross weight: 11.60 kg (25.57 lbs.)
Sound Level (dB) Sound pressure (LpAm) (by stander positions): 40.7 dB
(with 4 x WD WD20EFRX hard drive installed)
Power Consumption (W) HDD Standby:

TVS-471U-PT-4G: 46.34
TVS-471U-i3-4G: 45.72


In Operation:

TVS-471U-PT-4G: 50.55
TVS-471U-i3-4G: 49.15


(with 4 x WD WD30EFRX hard drive installed)

Temperature 0~40˚C
Relative Humidity 5~95% non-condensing, wet bulb: 27˚C.
Power Supply Input: 100-240V AC, 47-63Hz
Output: 250W
PCIe Slot 1 (PCIe Gen3 x4)
Fan 2 x 4 cm smart cooling fan

1. LED Indicators:
10 GbE, Status, LAN, Storage Expansion Port Status
6. USB 3.0 Port x 4
2. Power Button 7. HDMI
3. Password & Network Settings Reset Button 8. Expansion Slot
4. USB 2.0 Port x 4 9. Power Connector
5. Gigabit LAN x 4    

Software spec.

Operating System
QTS 4.1
Disk Management
  1. QNAP Flexible Volume
  2. Thin-provisioning Volume with Space Reclamation Supported
  3. Online Volume Expansion
  4. Online Storage Pool Expansion
  5. Single Disk, JBOD, RAID 0, 1, 5, 6, 10
  6. RAID Hot Spare and Global Hot Spare
  7. Online RAID Capacity Expansion and Online RAID Level Migration
  8. Bad Block Scan and Hard Drive S.M.A.R.T.
  9. Bad Block Recovery
  10. RAID Recovery
  11. Bitmap Support
  12. Cache Acceleration Technology
  13. SMART Data Migration
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, Internet Explorer 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. 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 and
  4. Web-based File Manager with HTTPS 2048-bit Encryption
  5. 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+
  1. Sync Files among multiple devices with SSL support (Supports Windows and Mac)
  2. Selective Synchronization for folders
  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. Privilege Control for Qsync Users
  7. Version Control: up to 64 versions.
  8. Incremental synchronization for HDD space saving
  1. TCP/IP: IPv4 & IPv6(1)
  2. Multiple 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. NTP Server**
  7. Protocols: CIFS/SMB, SMB2.1**, SMB3.0 (Encryption only)**, 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
Web Administration
  1. Multi-window, Multi-tasking based System Management
  2. Movable Icons and 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
  1. Network Access Protection with Auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
  2. SMB 3.0 Encryption **
  3. CIFS Host Access Control for Shared Folders
  4. FIPS 140-2 Validated AES 256-bit Volume-based Data Encryption*
  5. AES 256-bit External Drive Encryption*
  6. Importable SSL Certificate
  7. 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)
VPN Server
  1. Secure Remote Access: PPTP & OpenVPN VPN services
  2. Max No. of Clients: 30
FTP Server
  1. FTP over SSL/TLS (Explicit)
  2. FXP Supported
  3. Passive FTP Port Range Control
Domain Authentication Integration
  1. Microsoft Active Directory (AD)
  2. Domain Controller** and Domain Member
  3. LDAP Server, LDAP Client
  4. Domain Users Login via CIFS/SMB, AFP, FTP, and File Station
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-and-drop Files via Chrome and Firefox Browsers
  5. Photo, Music, and Video Preview and Playback Empowered by Built-in Real-time Transcode
  6. Smart Filter
  7. File Compression (ZIP or 7z)
Storage Plug & Connect
  1. Creates and Maps Shared Folders by QNAP Windows Qfinder
  2. Creates and Connects to iSCSI Target/LUN
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 Support with Backup
  9. Data Backup to Multiple External Storage Devices
  10. Synchronizes with Cloud Storage: Amazon S3, ElephantDrive, Symform, 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.
  1. iSCSI Target with Multi-LUNs per Target (Up to 256 Targets/LUNs Combined)
  2. Supports LUN Mapping & Masking
  3. Supports LUN Target ACL **
  4. Online LUN Capacity Expansion
  5. Supports SPC-3 Persistent Reservation
  6. Supports MPIO & MC/S
  7. iSCSI LUN Backup, One-time Snapshot, and Restore
  8. iSCSI Connection and Management by QNAP Finder (Windows)
  9. Virtual Disk Drive (via iSCSI Initiator)
  10. Stack Chaining Master
  11. Max No. of Virtual Disk Drives: 8
Print Server
  1. Max No. of Printers: 3 (via Internet Printing Protocol)
  2. IP-based and Domain Name-based Privilege Control
Server Virtualization & Clustering
  1. VMware vSphere (ESX/ESXi 4.x, 5.x)
  2. VMware VAAI iSCSI ** (Block Copy, Block Zeroing, Hardware Assisted Locking, Thin Provisioning and Space Reclamation)
  3. VAAI for NAS** (Full File Clone, Space Reserve, Extended Statistics)
  4. vSphere Plug-in
  5. Citrix XenServer (6.2)
  6. Windows Server 2012 Hyper-V
  7. Supports Microsoft ODX **
  8. QNAP SMI-S Provider for Microsoft SCVMM **
  9. QNAP VSS Hardware Provider **
  10. Windows Server 2012 Failover Clustering
Surveillance Station
  1. Supports over 2,700 IP Cameras
  2. Includes 4 Free Camera License, Up to 72 Camera Channels via Additional License Purchase
  3. Simple Floating Toolbar to Show Only When User Hovers Over Areas
  4. Instant Playback to Check the Recent Event
  5. Online Editing to Edit Cameras When Live View
  6. Visual Aid by E-map
  7. Playback and Speed Control by Shuttle Bar
  8. Video Preview on Playback Timeline
  9. Intelligent Video Analytics (IVA) for Advanced Video Search
  10. Surveillance Client for Mac
  11. Mobile Surveillance App: Vmobile (iOS and Android)
  12. Mobile Recording App: Vcam (iOS and Android) (only for x86-based)
APP Center
  1. Offers more than 100 Official and Community Software Add-ons (The actual available software add-ons may vary depending on the NAS platform)
Virtualization Station
  1. Supports multiple Virtual Machine (VM) creation to run various operating systems includes Windows, Linux, Unix.
  2. Supports importing VMs from Virtual Appliances
  3. Supports exporting of VMs into a virtual appliance in OVF / QVM format
  4. Supports VM cloning
  5. Supports VM snapshot
  6. Supports multiple remote consoles
  7. Supports HTML5-based shared remote console
  8. Supports multiple bridge interfaces to offer the individual network bandwidth for each VM
  9. Supports customization options for each VM
Mobile App
  1. Qfile: iOS, Android Phone, Windows 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
Notes Station
  1. Take Notes of Everything on Your Private Cloud
  2. Collaborate Notes from Multiple Users
  3. Supports Graphical Editor for Note Editing (WYGIWYS)
  4. Integrated with NAS File System: Insert attachments or Images from NAS File System
  5. Supports Event Calendar and To-do List
  6. Supports Image Editor
  7. Supports Note Publishing with a Single Link
  8. Supports Key Word Search
  9. Clip Web Page Content to Note (via Chrome Extension)
  10. Clip Web Page Image to Note (via Chrome Extension)

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

Design and specifications are subject to change without notice.

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