Science Image Vela Rack Bi-Directional 12G-SDI/HDMI 2.0 4K60 Video Encoder/Decoder/Recorder

SKU: SCSIVELARACK MFR: SI-VELARACKSDI
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Key Features

  • Experience seamless 4K60 video encoding and decoding with this versatile Science Image Vela Rack.
  • Stream live events effortlessly to YouTube and other platforms using advanced NDI HX2/HX3 technology.
  • Record high-quality 4K video directly to an SSD, perfect for professional content creation workflows.
  • Benefit from flexible connectivity options including 12G-SDI and HDMI 2.0 for diverse setups.
  • Manage multiple devices remotely with Dyna Hub, enhancing efficiency for your video productions.
  • Achieve superior video quality with H.264/H.265 encoding, ensuring crisp visuals and efficient storage.
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Temporarily On Backorder?Expected Availability: 08/2026
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Review Summary

Science Image Vela Rack SDI Specifications

Interface

Interface

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  • SDI Video Input

    1x 1.5G/3G/6G/12G-SDI

  • HDMI Video Output

    1x HDMI2.0 Interface

  • SDI Video Loop-out

    1x 1.5G/3G/6G/12G-SDI

  • Line In Embedding

    1x 3.5mm jack

  • Optical Transmission Interface

    1x SFP bidirectional optical transceiver

  • Audio Output

    1x 3.5mm jack

  • Network Interface

    1x RJ45 gigabit ethernet port

  • Power Supply

    DC 12V

  • SSD Slot

    1x PCIe SSD Slot

Input and Loop-out

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  • SDI Input and Loop-out supports

    SMPTE 292M, SMPTE 296M, SMPTE 372M, SMPTE 424M, SMPTE 425M, SMPTE 2081-1, SMPTE 2081-10, SMPTE 2082-1, SMPTE 2082-10

  • Supported Resolution and Frame Rate

    3840 x 2160p 23.98/24/25/29.97/30/50/59.94/60
    1920 x 1080p 23.98/24/25/29.97/30/50/59.94/60
    1280 x 720p 50/59.94/60

  • Color Depth

    8/ 10 bit

  • Color Sampling

    YCbCr 10-bit 4:2:2, YCbCr 8-bit 4:2:2, YCbCr 10-bit 4:2:0, YCbCr 8-bit 4:2:0

  • SDI Audio Input

    16 Channels, 24-bit, 48kHz

  • 3.5 mm Line In

    2 Channels, 24-bit, 48kHz

Encoding

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  • Supports bit rates

    Up to 120Mbps

  • Supported resolutions and frame rates

    3840 x 2160p 23.98/24/25/29.97/30/47.95/48/50/59.94/60
    1920 x 1080p 23.98/24/25/29.97/30/47.95/48/50/59.94/60
    1280 x 720p 50/59.94/60

  • Encoding Format

    H.264/H.265

  • Container Format

    MP4/MOV

  • Bit rate control modes

    VBR / CBR

  • Supports

    2-channel AAC audio encoding
    Supports audio embedding and de-embedding
    HDMI/Optical Transmitter/ NDI output encoded video signals

Decoding

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  • Supports decoding

    NDI HX2, NDI HX3, and NDI HB
    At a maximum bitrate of 80 Mbps

  • Supported resolutions and frame rates

    3840 x 2160p 23.98/24/25/29.97/30/47.95/48/50/59.94/60
    1920 x 1080p 23.98/24/25/29.97/30/47.95/48/50/59.94/60
    1280 x 720p 50/59.94/60

Live Streaming Capabilities

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  • Supported Push Protocols

    RTMP, RTSP, SRT Caller/SRT Listener, TS over UDP, NDI HX2, NDI HX3,NDI HB

  • Supports pushing streams

    To major live-streaming platforms and self-hosted servers: YouTube, BiliBili, Huya, ZLMedia

  • Internal server supporting

    RTMP and RTSP pushing
    Supports NDI 6.2
    Supports one non-NDI stream being pushed with NDI HX2/NDI HX3 simultaneously

Optical Transmission

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  • Optical Transmission

    Supports SMPTE SFP 12G-SDI Optical Transmitting
    Optical transmitter supports encoded, decoded, or played-back video signals
    Interoperable with other SMPTE-compliant fiber-optic SFP modules, such as AJA

Remote Control via Dyna Hub

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  • Remote Control via Dyna Hub

    Supports centralized management
    Batch firmware updates
    Preview and download recorded videos
    Configure encoding parameters
    Select decoding output via source list
    Streaming activation capability
    API is available for third-party control systems

Hardware

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  • Hardware

    FPGA+SOC

  • Power Supply

    POE+ or DC 12V

  • Power Consumption

    25W

General

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  • Color

    Black

  • Mounting Hole

    1x 1/4" screw hole
    2x M3 screw hole

  • Operating temperature

    32 to 104 Degree F (0 to 40 Degree C)

  • Storage temperature

    -4 to 104 Degree F (-20 to 40 Degree C)

  • Relative humidity

    5% to 90% ( non-condensing)

  • Country of Origin

    China

  • Dimensions

    10.04 x 6.42 x 2.01" (255 x 163 x 51mm)

  • Weight

    20.81 oz (590g)

About Science Image Vela Rack SDI

Encoding/Decoding Simultaneously
The unique mini and multi-in-one device in the world that encodes a 12G-SDI/4K60 video stream such as RTMP/RTSP/SRT/Full NDI/HX2/HX3... etc, and decodes the NDI PGM returning back from a switch or remote simultaneously, cameraman can monitor the return signal in real-time and sync with director.

Extraordinary Performance
Vela Rack SDI has high quality video encoding and up-streaming applied in multi-person remote video connections/conferences/vocal concert...etc, while decoding live streams simultaneously and display to the large screen by HDMI output, truly achieve the broadcast level.

3.4" Wide Flip Touch-Screen Smart, Ultimate, Integrated
With a 3.4 inch large-sized flip touch screen integrated in a small device, high brightness, 960x412 high resolution, nature color displayed, smooth, friendly and sensitive operation UI, plenty & convenient functional area arrangement, long life span designing. Speaker, Intercom/Stereo/Audio monitor integrated in the front panel, all operations freely released.

4K Recorder Convenient, Powerful
Insert Science Image High-Speed SSD, tap TFT slightly to record every exciting images, freely encode different format(HD to 4K60), and up to 10bit 4:4:4 quality. Finely restore pixels, extreme colors, and record in multiple formats (MOV and MP4...etc). Freely Pause, Play, Backward, and Foward SSD content, smoothly freeze every frame you want.

Quality, Flexible, Tiny
C1-Sciencelmage SSD enclosure, no limitation on storage space, can choose different SSD models to assemble freely.6.6 mm extremely thin, ultra tiny designing, supports up to 500Mbit/s bandwidth PCle high-speed bus, long-time recording without replacing SSD. Export content in real time to post-production with C1 Type-C interface.

Rich Interfaces
Vela Rack SDI integrates more interfaces such as 12G-SDI Input/Loop out, HDMI output, Bi-Directional Optical Transceiver, USB, external audio embedding, etc, maximize and fully utilize device all interfaces and powerful functions.

Audio Monitor/Intercom/Mixer
Integrating Audio monitor, Intercom, and mixer in one, control and set various features by one finger easily. The Mic/Headset can monitor the SDI sources, External Line IN em-bedded, or both. Build-in mixer console mix video source, external, and NDI audio simultaneously. Touch on TFT, can switch status from audio monitor to intercom bi-directional.

Science Image Vela Rack SDI Features

  • Simultaneously encodes 4K60 video and decodes NDI return feeds
  • Features a 3.4" flip touchscreen with integrated audio controls
  • Supports 4K recording to SSD with up to 10-bit 4:4:4 quality
  • Includes 12G-SDI, HDMI, optical transceiver, USB, and audio I/O
  • Built-in audio monitor, intercom, and mixer for streamlined production

Warranty Information

This product has a limited warranty of 36 months.

Key Features

  • Experience seamless 4K60 video encoding and decoding with this versatile Science Image Vela Rack.
  • Stream live events effortlessly to YouTube and other platforms using advanced NDI HX2/HX3 technology.
  • Record high-quality 4K video directly to an SSD, perfect for professional content creation workflows.
  • Benefit from flexible connectivity options including 12G-SDI and HDMI 2.0 for diverse setups.
  • Manage multiple devices remotely with Dyna Hub, enhancing efficiency for your video productions.
  • Achieve superior video quality with H.264/H.265 encoding, ensuring crisp visuals and efficient storage.

What's in the box:

  • Science Image Vela Rack Bi-Directional 12GSDI/HDMI 2.0 4K60 Video Encoder/Decoder/Recorder
  • 5V Power Adapter with US Plug
  • Science Image 3 Year Limited Warranty