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| VS-4112-PRO+

QNAP VioStor VS-4112 PRO+ Network Video Recorder with 12 channels and up to 16TB storage, Linux-embedded

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This product is now discontinued, for alternative products see Synology Network Video Recorders (NVRs)

Overview of the QNAP VioStor VS-4112 PRO+

Robust and powerful QNAP VS-4112 PRO+ from the VioStor range of network video recorders, with support for up to 12 channels and up to 16TB HDD space. Linux-embedded and capable of 250 Mbps throughput, intelligent video searching and HDMI video output.

The high performance VS-4112 PRO+ from QNAP’s VioStor series of open-platform network video recorders supports up to 12 channels and has up to 16TB HDD space to store high frame rate and high megapixel CCTV recordings. Capable of 250 Mbps throughput, the VS-4112 PRO+ delivers high-level performance, with a HDMI video output to provide high quality viewing via local display. Linux-embedded, the unit is at reduced risk of virus attack and system crash.

Continuous, manual, scheduled, on alarm trigger and audio recording modes can be configured to ensure the required video data is captured, whilst smart recording ensures video captured when an alarm is triggered is higher quality to provide detailed event footage and to conserve bandwidth and storage. When an event occurs, an alert icon displays on the local monitoring page which can be clicked to provide further information. Scenes can be effectively managed using PTZ positioning with preset positions, digital zoom and auto cruising.

Motion detection, alarm input, recording or connection failure, or user-defined action can trigger actions including video recording, buzzer, alarm output, PTZ camera control, email alert and user-defined action, whilst instant warnings and error messages can also be received via email and/or SMS, for accurate and reliable security monitoring. Users can search video data by date, time, event and Intelligent Video Analytics including motion detection, camera occlusion, loss of camera focus and foreign or missing objects and can easily create e-maps to locate where events are taking place. The QNAP VS-4112 PRO+ supports fisheye dewarping, to provide clear viewing of scene and extending compatibility to include cameras with specific panomorph and fisheye lenses.

Real-time digital watermarking prevents unauthorised modifications being made to video, increasing the authenticity of surveillance footage and enabling use as evidence in court. The VioStor VS-4112 PRO+ supports cross browser compatibility, and the QNAP Surveillance Client for Windows and Mac enables live viewing and playback. Data can be backed up using the scheduled remote replication feature and one touch backup.

RAID 0, 1, 5, 6, 5 + hot spare, single and JBOD disk configurations are supported, enabling a failed drive to be replaced by hot swapping without switching the server off. The VS-4112-PRO+ NVR quietly operates and has low energy costs whilst offering improved performance and reliability. Other useful features include UPS support, advanced security controls, dual Gigabit LAN ports and health scanning.

Operators can access video footage remotely using the QNAP mobile app available for free download on iOS and Android devices.

Key features & benefits

  • Ideal for small IP video systems with up to 8 cameras
  • Up to 16TB storage capacity
  • Intel dual-core processor delivers powerful performance up to 250 Mbps throughput
  • HDMI output
  • 4GB memory
  • Multiple codec including Mobotix MxPEG enables compatibility across a wide range of IP camera brands
  • Different recording schedules can be configured to ensure required data is captured
  • Multi-stream support
  • Audio can be captured to help assist with event analysis
  • Digital watermarking increases authenticity of CCTV footage for use in court
  • Efficient use of storage and bandwidth using smart recording feature
  • Users can be alerted to an event via on screen pop up
  • Easy video searching by time, date and intelligent video analytics
  • Dual Gigabit LAN ports
  • Easy to set up using steps on the local display interface
  • Cross platform support
  • Multi-server monitoring
  • E-map enables users to quickly see where an event is happening
  • Advanced event management
  • Storage expansion
  • Fisheye and panomorph lens compatibility
  • Linux-embedded for reliability
  • Security controls to protect system
  • Schedule remote replication and one touch auto video backup prevents video loss
  • CPU thermal solution with fan-less design
  • RAID 0, 1, 5, 6 + hot spare, single and JBOD disk configurations provide robust failover protection
  • QNAP VMobile app provides handy remote access via iOS and Android smartphones and tablets

Typical applications

With 12 channel support and storage capacity up to 16GB, the QNAP VS-4112 PRO+ network video recorder provides high performance and robust surveillance recording, ideal for use in small IP CCTV installation with high frame rate or megapixel cameras. Typical applications include universities, shopping centres and retail stores.



  • Quick installation guide
  • CD-ROM (user manual and utility inclusive)
  • Flat head screw (for HDD) x 28
  • Ethernet cable x 2
  • Power cord
  • Hard disk lock

Optional (please select from the above drop down menu):

  • Hard drive disk space
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Key technical features for QNAP VioStor VS-4112 PRO+

Maximum no. of cameras:up to 12
HDD:4 x 3.5-inch SATA 6Gb/s, SATA 3Gb/s hard drive
CPU and OS:dual-core Intel processor, embedded-Linux
Maximum throughput:250 Mbps
Audio:audio in/out (reserved)
Power:input: 100-240V AC, 50/60Hz, output: 250W
Resolution:maximum 10 megapixel
Compression:H.264/MPEG-4/M-JPEG/MxPEG (depending on the camera models)
Frame-rate:full HD 1080p 30 fps (per channel)
Viewing, detection & recording
Camera control:digital PTZ
Playback control:play, pause, stop, reverse play, next/ previous video file, different speed control
Intelligent search:motion detection, missing object, foreign object, out of focus, and camera occlusion
Recording mode:continuous, manual, schedule, alarm, multiple alarm recording schedules
Alarm detection:motion detection, alarm input, connection failure, recording failure, and user-defined event
Alarm notifications:video recording, email alert, SMS alert, buzzer, PTZ camera control, alarm output and user-defined action
Backup:one-touch-auto-video-backup button, schedule remote replication to a NAS on the local network
Mobile support:VMobile iPhone, iPad, Android mobile app
USB drive backup:2 x USB 3.0 port (back: 2), 5 x USB 2.0 port (front: 1; back: 4)
LAN Port :2 x Gigabit RJ-45 Ethernet port
Video output:1x HDMI, suggested video output resolution: 1920 x 1080 (full HD)
Dimensions:185 (H) x 180 (W) x 235 (D) mm
Weight:4.6 kg (net)
Operating temperatures:0°C to 40°C
Power:input: 100-240V AC, 50/60Hz, output: 250W
Power consumption:in operation: 62.7W (with 6 x 2TB HDD installed)
Protocols supported:HTTP, TCP/IP, SMTP, DHCP, Static IP, DNS, DDNS, FTP, NTP, UPnP
Dual Gigabit LAN:failover, load-balancing, multi-IP setting
Security:authority management, host access control, auto log off, event logs, on-line users list, digital watermarking, K-Lock security slot for theft prevention
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