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QNAP VioStor-8040 NVR is the class-leading 8-bay, hot-swappable network surveillance system which supports high quality real-time monitoring, megapixel recording, and playback of multiple IP cameras. It is able to record up to 40 channels in H.264, MPEG-4, and M-JPEG video compression. The NVR supports the IP cameras and video servers from popular brands


QNAP VioStor-8040 NVR is the class-leading 8-bay, hot-swappable network surveillance system which supports high quality real-time monitoring, megapixel recording, and playback of multiple IP cameras. It is able to record up to 40 channels in H.264, MPEG-4, and M-JPEG video compression. The NVR supports the IP cameras and video servers from popular brands such as AXIS, ACTi, Arecont, Canon, Cisco, D-Link, EDIMAX, ELMO, EtroVision, GANZ, iPUX, IQeye, LevelOne, Linksys, MOBOTIX, Panasonic BB/ BL/ i-Pro, SANYO, SONY, TOA, TOSHIBA, TRENDnet, VIVOTEK, and Y-CAM.

Powered by Intel Core 2 Duo 2.8 GHz CPU and 2GB DDRII memory, the VioStor-8040 NVR maintains high stability and performance when recording the video from several megapixel IP cameras (up to 8-megapixel). The NVR is a standalone, Linux-based surveillance system, allowing the users to monitor up to 120 channels from multiple QNAP NVR servers without any software required. An intuitive user interface is provided for viewing the live monitoring channels, connection status, recording status, and network bandwidth, search the recording data, and play the recording data at different speed. Intelligent data search by date and time, timeline, and event is also provided. The system can be easily set up in 6 simple steps. The VioStor-8040 NVR is an excellent solution for high security monitoring applications.

Powerful Features of VioStor-8040 NVR:

  • Exclusive Linux-embedded system, Intel Core 2 Duo 2.8GHz CPU and 2GB DDRII memory
  • Real-time monitoring and recording (video/ audio) from multiple network cameras (up to 40 channels)
  • Supports streaming from network cameras and servers
  • High quality motion-JPEG, MPEG-4 and H.264 recording (vary by camera models)
  • Supports recording from megapixel IP cameras (up to 8-megapixel)
  • Complete recording features: schedule recording, alarm recording, alarm recording schedule, motion-detection recording, pre-alarm, and post-alarm recordings, etc.
  • Up to 16TB storage capacity for long-term recording
  • Multi-server monitoring: Supports monitoring of up to 120 channels
  • Remote management: access and playback recordings by web browser, FTP, and Network Neighborhood anytime, anywhere
  • Trouble-free 6-step installation
  • Smart search of IP cameras for quick configuration
  • Centralized monitoring with "Click-to-Go" PTZ control and adjustable display mode
  • Digital zoom for monitoring and playback
  • The display order of the monitoring channels can be changed by drag and drop
  • Event notification on monitoring screen
  • Real-time email alert
  • Detailed event and system logs (include users' networking services and recording data access record)
  • Schedule remote replication to NAS (Network Attached Storage) for video backup
  • Unique online user list function and access authority control
  • Multi-channel playback at different speed
  • Automatic system startup when the power resumes after power outage
  • Ultra-high-end RAID (RAID 0/ 1/ 5/ 5+ hot spare / 6/ 6+ hot spare / JBOD) to protect all the important recordings in the most secure way
  • Hot-swap hard drive design
  • Online RAID Capacity Expansion and Online RAID Level Migration
  • Convenient video backup to external USB storage by one touch auto video backup button
  • Two Gigabit LAN ports for failover, load-balancing, or multi-IP setting
  • Supports UPS (Uninterruptible Power Supply) for 24x7 service
  • DOM architecture with embedded fail-safe dual OS for enhanced reliability

Surveillance Features

Remote Live Monitoring, Recording and Playback
The VioStor NVR is an standalone surveillance system that supports professional grade video recording and real-time remote monitoring and playback.

High Quality Motion-JPEG, MPEG-4 and H.264 Recording (vary by camera models)

All-in-one Recording Functions

  • Continuous/ manual/ schedule recording
  • Alarm recording (by motion detection or sensor triggered)
  • Alarm recording schedule

You can set different recording schedules for different cameras. Up to 15 schedules are supported for each camera.

Variety Live Video Monitoring

  • 1/ 4/ 6/ 8/ 9/ 10/ 12/ 16/ 20/ 25/ 36/ 42-channel and sequential display mode
  • Exclusive Picture-in-Picture mode
  • Multi-display Mode

Digital Zoom for Monitoring and Playback
The VioStor NVR supports digital zoom function for more flexible monitoring and playback. It is a powerful function for megapixel IP cameras.

Multi-server Monitoring
You can connect to the VioStor NVR and add other QNAP NVR servers to monitor up to 120 channels from a remote PC over LAN or WAN.

Supports Streaming from Network Cameras and Servers

  • Stream from the network camera
    The monitoring screens are streamed from the network cameras. When your network surveillance system (VioStor NVR), IP cameras, and PC are installed behind the router, virtual server, or firewall, you will have to configure port forwarding (port mapping) for some of the IP cameras. Please refer to
  • Stream from the server
    The monitoring screens are streamed from the video server. There is no need to configure port mapping. However, the NVR performance may be affected. You may have to adjust the recording settings according to the real performance.

Change the Display Order of the Monitoring Channels
You can switch to display the monitoring channels by selecting the IP cameras on the drop down menu or by drag and drop.


Audio Recording
The VioStor NVR supports audio recording (vary by camera models).


High Performance Megapixel Recording (up to 8-megapixel)
The VioStor NVR supports high performance megapixel recording (up to 8-megapixel) from various IP cameras.

Smart Control of PTZ & Speed Dome Cameras
The VioStor NVR enables the users to adjust the PTZ cameras directly by the web user interface.


Support Monitoring Preset Position Control
You can view different preset positions of the camera by clicking the number buttons on the monitoring page.


Event Notification on Monitoring
When alarm recording is enabled and an event occurs, an alarm icon is shown instantly on monitoring page. You can click the icon to view the alert details.


Pre-alarm and Post-alarm Recording
The VioStor NVR supports pre-alarm and post-alarm recording, which is used to record additional details before and after an event occurs.

Real-time Email Alert
The VioStor NVR sends alert e-mails to the administrator immediately in case of system error or emergent events.

E-map for Easy Preview of the Camera Location
The VioStor NVR provides exclusive E-map function for users to upload the pictures of the monitoring locations.

Video Snapshot
The VioStor NVR provides real-time monitoring as well as real-time snapshot. Users can take a snapshot of the monitoring screen anytime.

Multi-channel Playback at Different Speed
The VioStor NVR supports playback of the recording data from different monitoring channels. It also provides the Express Quad View Playback that you can either divide the selected time equally into four playback views or load four consecutive cameras to play.

Easy Data Search by Date & Time, Timeline and Event
The VioStor NVR supports quick search of recording data by date and time, timeline and event.

Recordings can be Played by Windows Media Player
Users can play the files by Windows Media Player. There is no need to install unique program or convert the files to other formats.

Flexible Adjustment of the Length of Recording Files
The VioStor NVR enables the users to flexibly adjust the length of the recording files.

Powerful Schedule Remote Replication
The VioStor NVR supports Schedule Remote Replication to NAS to back up recording data in a more secure way.

Detailed Record of All Events
The VioStor NVR provides detailed event logs of system warning, hard disk error, network disconnection, UPS status, and users' networking services and recordings access record.

Easy to Use

Easy System Setup in 6 Steps
The VioStor NVR provides quick setup for users to complete installation in 6 simple steps.

Intuitive Web-based User Interface
All system configurations, monitoring, and playback can be finished by the web-based interface.

Smart Search of IP Camera for Quick Settings
QNAP provides an intelligent software utility Finder for quick IP camera search and system settings.

Convenient Quick Link Buttons of Network Camera
Besides configuring the network cameras by the administration interface of NVR, users can make use of the quick link buttons to access the management interface of the network cameras to configure the cameras.

Excellent Hardware Design

Intel® Core™2 Duo 2.8GHz CPU and 2GB DDRII Memory for Superior System Performance
The VioStor NVR is an ideal & powerful network video surveillance system designed for enterprise. Powered by Intel® Core™2 Duo 2.8GHz CPU and 2GB DDRII memory, it delivers superior performance for surveillance applications.

Linux Embedded System
The Linux-based NVR is more power-saving and less vulnerable to virus attack compared to PC-based surveillance solution.

Touch-N-Go PC-less Installation by LCD Display
The handy LCD display on the VioStor NVR provides a speedy and easy approach to initialize the NVR and set up the RAID configuration without using any computer. You can use the handy LCD to finish the first time installation in 3 simple steps. The NVR will automatically complete the hard disk formatting and RAID building. When the system is ready, users can check or configure the IP settings, physical disk info, volume info, system info, shut down or reboot the NVR etc.

Smart Fan
The fan rotation speed is automatically adjusted according to the server's temperature. You can also define the system temperatures to trigger high speed or low speed rotation of the fan.

Dual Gigabit LAN Ports
Two Gigabit LAN ports for load balancing, failover, or multi-IP setting.

Support 8 High-speed SATA Hard Drives
SATA hard drives are faster than IDE hard drives, which enhance recording and playback performance.

Up to 16TB Storage Capacity for Long-term Recording
The VioStor NVR is an excellent choice for long-term recording and saving large amount of recording data.

DOM Architecture with Embedded Fail-safe Dual OS for Enhanced Reliability
All the OS and applications are embedded on the DOM. The VioStor NVR allows system booting without accessing the physical disk sectors and that prevents unsuccessful system startup caused by bad block sectors or file errors on the hard drives. Two operating systems are built on the DOM for system booting alternatively upon every system startup. When one fails, the other one will be used to boot up instead, and the failed OS is recoverable from the other healthy OS.

Lockable HDD Tray
The NVR provides lockable HDD trays to protect the physical hard drives.

High Reliability and Smart Features

Advanced RAID (0/ 1/ 5/ 6/ JBOD) with Hot-swap Design
The VioStor NVR offers advanced RAID 0, 1, 5, 6, 5+spare, 6+spare, single, and JBOD disk configurations. It also supports hot-swap design that a failed drive can be replaced by hot swapping without turning off the server. Besides, the best-in-class RAID on the VioStor NVR brings users a higher level of data security by allowing one more hard drive failure than other NVR of the same level.

Online RAID Capacity Expansion and Online RAID Level Migration

Online RAID Capacity Expansion
The storage capacity of a RAID configuration can be expanded by replacing the hard drives with larger ones. All the data will be kept and seamlessly moved to the newly installed hard drives. There is no need to turn off the server during the process.

Online RAID Level Migration
Users can upgrade the disk configuration to higher RAID level with the data retained. There is no need to turnoff the server during the process.

S.M.A.R.T. & Advanced HDD Health Scanning (HHS)
The NVR supports Hard Disk Drive S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) for monitoring the hard drive status. The VioStor NVR is embedded with HHS Technology which supports disk checking and bad blocks scanning.

Intelligent Automatic System Startup when Power Resumes after Power Outage
The NVR supports intelligent power-on support. When enabled, the system turns on automatically when power resumes after power outage.


Support UPS System for 24x7 Service
The NVR supports both APC and MGE UPS devices to enable stable and continuous recording 24x7. With UPS, the system can function normally in case of power outage or unstable power supply.

Convenient Video Backup to External USB Storage by One Touch Auto Video Backup Button
The NVR supports exclusive one touch auto video backup button. Press and hold the button for 3 seconds. The recording data on VioStor will start to be copied to the USB device instantly.

Powerful Security Control and Network Services

Powerful Authority Management
The NVR enables the administrator to configure monitoring and playback authority of specified cameras for different users. The authority can be set for up to 32 users. Different monitoring and playback rights can be assigned for individual user.

Powerful Host Access Control
The administrator can specify the connections to be allowed and denied to access NVR.

Provide On-line User List
You can view the record of users currently logged on and previously logged on to the NVR.

Built-in DDNS Support
The NVR supports dynamic DNS (DDNS). You can register a unique domain name from a DDNS service provider and assign it to your NVR.

Built-in NTP Server
The date and time of the network cameras can be synchronized with the NVR.

Convenient Data Access
Users can access the recording data on the NVR by the following ways, multiple network resource sharing mechanisms are provided for users to access, maintain and play the recording files:

  • Network Neighborhood (SMB/ CIFS)
  • Web File Management (HTTP)
  • FTP server
Hardware Spec.
Processor Intel Core 2 Duo 2.8GHz processor
Memory 2GB DDRII RAM, 128MB flash (DOM)
HDD Capacity 8 x 3.5" SATA I/II HDD, up to 16TB
(the standard system is shipped without HHD)
HDD Tray 8 x hot-swappable and lockable tray
LAN Port 2 x Gigabit RJ-45 Ethernet port
LED Indicators Status, LAN, USB, HDD 1, HDD 2, HDD 3, HDD 4, HDD 5, HDD6, HDD7, HDD8
USB 5 x USB 2.0 (front:1; back:4)
Front: for USB storage device (One touch auto video backup)
Back: for UPS device
eSATA 1 x eSATA port (back); reserved
Buttons Power, one touch auto video backup, reset
LCD Panel LCD display with backlight Enter button, Select button for configuration
Alarm Buzzer System warning
Form Factor Tower
Dimensions 298(H) x 200(W) x 270(D) mm
11.73(H) x 7.87(W) x 10.63(D) inch
Color Box Shipping Weight 9.8Kg (21.61 lb)
Operation Environment Temperature 0~40˚C/ 32~104˚F
Humidity 0~95% R.H.
Power Supply ATX 350W, input: 100-240 Vac~, 47-63Hz, 6A-2.8A
Power Consumption 81W Write/Read
Secure Design K-Lock security slot for theft prevention
VGA Reserved VGA interface for maintenance
RS-232 RS-232 x1
Fan 2 x 12cm smart cooling fan
Certification CE, FCC, VCCI, BSMI
Software Spec.
Display Mode 1/ 4/ 6/ 8/ 9/ 10/ 12/ 16/ 20/ 25/ 36/ 42-channel display, Picture-in-Picture, sequential mode, multi-display mode
Number of IP Cameras Supported (Recording) Up to 40 channels
Compression Format Motion-JPEG/ MPEG-4/ H.264 (vary by camera models)
Video Setting Resolution, Quality, Frame Rate
E-map Upload E-map (JPEG)
Recording Mode Continuous/ manual/ schedule recording
Alarm recording/ multiple alarm recording schedules
*Up to 15 schedules are supported for each camera
Buffer Storage for Alarm Images (before and after Events) Pre-recording: up to 300 sec/ post‒recording: up to 300 sec (Total 600 sec/ 10 min)
Recording Performance Up to 1200 fps at D1 or VGA
Megapixel Recording Supports megapixel cameras
(up to 8-megapixel)
File format AVI (can be played by Windows Media Player)
Playback Channel Max 4-channel playback at the same time
Playback Mode Play, pause, stop, reverse play, next/ previous frame, next/ previous video file, different speed control
Display Mode Single playback view, 4 playback views
Search Mode By date & time, timeline, event
Playback Enhancement Full screen display, video snapshot, digital zoom
Download Download recordings via the web
Disk Management
  • Single disk, RAID 0 (Disk Striping), RAID 1 (Disk Mirroring), RAID 5, RAID 5+ hot spare, RAID 6, RAID 6+ hot spare, and JBOD (Linear Disk Volume)
  • Online RAID Capacity Expansion
  • Online RAID Level Migration
  • HDD S.M.A.R.T.
  • Bad blocks scan
  • Support PC-less RAID setup via LCD panel for the first time installation
  • Services: Web File Manager, FTP, SMB/CIFS
LCD Panel
  • PC-less RAID configuration for the first time setup
  • When the system is ready, users can check or configure the IP settings, physical disk info, volume info, system info, shut down or reboot the NVR etc.
Support HTTP, TCP/IP, SMTP, DHCP, Static IP, DNS, DDNS, FTP, NTP, UPnP, Failover, Load-balancing, Multi-IP setting
Camera IP Address & Port Allow setting LAN/WAN IP address of each camera
Dual Gigabit LAN
  • Failover: In case one of the LAN network fails, the packets sent to the NVR will be handled by the other LAN interface
  • Load-balancing: Link aggregation is supported to increase the transfer speed
  • Multi-IP setting: The NVR can serve different network groups in two different subnets
Utility Software QNAP Finder: Discovery and quick setup for NVR
Operation System Linux-embedded, free from PC crash and virus attack
On-line Users List Record of the users currently logged on and previously logged on to the NVR
Host Access Control Specify the connections to be allowed and denied to access NVR
User Management The right to monitor and playback each camera can be separately defined for each user (up to 32 users)
Alert Notification E-mail, buzzer, event logs
UPS Support APC/ MGE (USB type UPS)
Event Logs Detailed event logs of system warning, hard disk error, network disconnection, UPS status, and users networking services, and data access
Client PC Requirement
  • Motion-JPEG format (up to 40 channels):
    Dual core CPU 2.4 GHz or above
  • MPEG-4/ H.264 format (up to 40 channels):
    Quad core CPU 2.4 GHz or above
* For higher surveillance performance, please select more advanced PC models.
Memory 1 GB or above
Operation System Microsoft® Windows® XP/ Vista (32-bit)
Web Browser Internet Explorer 6.0 or later
Network Interface 10/100 Mbps or above
View Resolution Suggested 1024 x 768 pixels or above
Language Support English/ French/ German/ Italian/ Japanese/ Spanish/ Simplified Chinese/ Traditional Chinese/ Danish/ Dutch/ Finnish/ Korean/ Norwegian/ Polish/ Portuguese/ Russian/ Swedish
Package Contents
Ethernet cable x 2
Power cord x 2
Flat head screw x 32
QIG (RAID configuration)
Hard disk lock