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| VS-4112U-RP-PRO+

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

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

Overview of the QNAP VioStor VS-4112U-RP PRO+

QNAP VS-4112U-RP PRO+ from the VioStor series of network video recorders, providing 12 channels and up to 16TB HDD space. Linux-based with an Intel dual-core processor, up to 250 Mbps throughput and mobile access through the QNAP VMobile app.

With an Intel dual-core processor and 4GB memory, the 12 channel VS-4112U-RP PRO+ from the QNAP VioStor series of network video recorders delivers high-performance video recording with up to 250 Mbps throughput and provides 4 hard drive slots for up to 16TB of storage. This enables the smooth and stable recording of multi megapixel and high frame rate cameras. With Linux-embedded, the VS-4112U-RP PRO+ NVR is at reduced risk of viruses and system crash. The unit can be rackmounted for compact and neat installation, and to expand an existing recording system.

Users can schedule recording or set to continuous, manual, on alarm trigger or user-defined modes, providing a configurable recording system that can be tailored to different requirements. Smart recording mode enables the NVR to record continuously in low quality, switching to high quality when activity is detected, to enable in depth analysis of an event whilst conserving bandwidth. When an event takes place, an icon flashes up on the local monitor, which can be clicked by the user to provide further information. Digital PTZ, preset positioning and auto cruising allow operators to effectively cover large scenes.

Other handy features of the QNAP VS-4112U-RP PRO+ unit include HDMI output, multi-stream support, e-map, intelligent video searching for easy location of event footage and two-way audio support. Video can be accessed remotely using the QNAP VMobile app available for free download on iOS, Android and Windows devices.

Key features & benefits

  • Can record up to 12 cameras
  • 16TB storage space for high frame rate and multi megapixel recordings
  • Unit can be rackmounted, providing neat installation
  • Powerful Intel dual-core processor allows up to 250 Mbps throughput
  • HDMI output
  • 4GB RAM
  • Multiple compression method support for wide compatibility across camera brands
  • Different recording modes can be selected to best suit the application and user requirements
  • Two-way audio support
  • Multi-stream support
  • Provides video that can be used as evidence in court with real-time digital watermarking
  • Activity is captured in high quality whilst continuous recording is in low quality, to conserve bandwidth and assist with identification during events
  • Intelligent video search
  • Dual Gigabit LAN ports
  • On screen popup on event to alert user
  • Easy setup
  • E-map to visualise location of cameras and to detect where events are happening
  • Compatible with a range of browsers and platforms
  • Mobile access using QNAP VMobile app
  • Scheduled remote replication
  • Linux-based
  • Security controls
  • Multi-view playback
  • RAID with hot swapping support
  • Health scanning
  • UPS support

Typical applications

The QNAP VioStor VS-4112U-RP PRO+ network video recorder is ideal for IP video installations that have rack space, and that may be expanding, or may want to expand the system in the future. Typical applications include schools, office buildings, supermarkets and retail stores.



  • CD-ROM
  • Ethernet cable x 2
  • Power cord
  • Screw pack
  • QIG
  • Hard disk lock
  • Terminal block x 6
  • 1U rail kit
  • Screw x 8
  • Handle x 2
  • Mount kit x 2


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

Maximum no. of cameras: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 for local display
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, PTZ control
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, auto snapshot
Alarm detection:motion detection, alarm input, connection failure, recording failure, 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 to external USB, 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:44 (H) x 439 (W) x 499 (D) mm
Weight:11.54 kg (net)
Operating temperatures:0°C to 40°C
Power:input: 100-240V AC, 50/60Hz, output: 250W
Power consumption:80W (with 4 x 2TB HDD installed)
Protocols supported:HTTP, TCP/IP, SMTP, DHCP, Static IP, DNS, DDNS, FTP, NTP, UPnP
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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