Simple USB 3.0 Powered 3G-SDI Capture

U-TAP HDMI Compatibility Buy Now

$439 US MSRP*

* Pricing is for US only. International pricing will vary.


The U-TAP 3G-SDI USB 3.0 (USB 3.2, Gen 1) capture devices brings professional connectivity and high quality video capture to your laptop or workstation. U-TAP SDI is bus powered with the ability to simply and easily bring in video across 3G-SDI for use within a wide range of software without any drivers to install, as it’s supported directly in macOS®, Windows® and Linux®.


  • HD/SD Capture up to 1080 60p over USB
  • 3G-SDI, SMPTE-259/292/424 Looping Input
  • HD 1080 support for PsF 23.98, 24, 25, 29.97, 30
  • 1x USB 3.0 (USB 3.2, Gen 1) connector
  • YCbCr 4:2:2 10-bit workflows supported
  • HD/SD and scaled (USB) raster support
  • Configurable behavior upon loss of input signal
  • UVC/UAC capture, no third-party driver required
  • Compact, silent and pocketable
  • Bus-powered, no power adapter required
  • Supported up to macOS Monterey 12.3, Windows 11, and Linux Ubuntu 20
  • Universal application compatibility
  • Three year warranty

Pocket Power

U-TAP SDI offers easy, cost effective and portable solutions for plug and play capture that is compatible with Windows, macOS and Linux operating systems and a broad range of creative applications. From video conferencing, streaming, social media, gaming and more, U-TAP SDI offers powerful functionality without requiring any third party driver software.

U-TAP SDI is smaller than a smartphone, with USB connectivity that provides a quick and easy way to connect SDI sources for capture, without the need to install additional software drivers. Small enough to carry anywhere with you, its bus powered USB connectivity ensures you will never be looking for a power source.

U-TAP SDI provides an SDI looping output, allowing you to loop through the source SDI signal to monitors, switchers and more. U-TAP SDI supports frame rates up to 1080p 60, for your HD High Frame Rate (HFR) projects.

Rugged and Reliable

U-TAP is small, rugged, reliable and backed by AJA's world renowned support. Small enough to fit in your pocket and with no power supply to carry, it can go with you anywhere.

Silence defined with no fans or moving parts, U-TAP won't detract from the recording or streaming experience, but quietly enhance it with automatic video scaling and aspect ratio conformity based on your application’s requirements, all the way up to 1080p 60.

Applied Application Simplicity

Software Compatibility

U-TAP SDI is UVC and UAC compatible on Mac, Windows and Linux, negating the need for additional drivers. This ensures compatability with a wide range of professional software applications and a seamless integration between the native software and AJA’s high quality hardware letting you focus on the work, not the technology.

View Compatibility

Industry Leading Support

AJA’s technical support is recognized as among the best in the industry and is available to all AJA customers. If you need assistance with any aspect of your U-TAP installation, configuration, operation or encounter any technical issue,  AJA Support will work with you to get up and running.

U-TAP products are covered by a generous three year warranty. Please see the individual Product’s Manual for additional specifics around warranty conditions for the product itself.

Tech Specs

Video Formats

  • Video (SDI)
    • (HD) 1920x1080p 50, 59.94, 60 (Level A or B-DL)
    • (HD) 1920x1080p 23.98, 24, 25, 29.97, 30
    • (HD) 1920x1080PsF 23.98, 24, 25, 29.97, 30
    • (HD) 1920x1080i 50, 59.94, 60
    • (HD) 1280x720p 50, 59.94, 60
    • (SD) 625i 50
    • (SD) 525i 59.94
    • YCbCr, 4:2:2, 10-bit
  • Scaled (USB), frame rates for all formats: 7.5, 15, 25, 29.97, 30, 50, 59.94, 60
    • 1920x1080p 
    • 1440x1080p 
    • 1280x720p 
    • 1024x576p
    • 960x540p 
    • 856x480p 
    • 800x600p 
    • 768x576p
    • 720x576p 
    • 720x480p 
    • 640x480p 
    • 640x360p 
    • 432x240p 
    • 352x288p 
    • 320x240p 
    • 176x144p 


Note: Host system specifications/performance will govern what video formats are possible.

Video Input Digital

  • 3G-SDI, SMPTE-259/292/424, YCbCr 4:2:2 10-bit (1x BNC)

Video Loop Output

  • 1 x 3G-SDI (1 x BNC)

Audio Input Digital

  • 2-channel, 24-bit SDI embedded audio, 48 kHz sample rate

Capture Video

  • 16-bits/pixel, YUV (input video will be truncated as required)

Capture Audio

  • 2-channel, 16-bit, 48 kHz sample rate (input audio will be truncated as required)

U-TAP Device Interface

  • USB 3.0 (USB 3.2, Gen 1) UVC/UAC compliant 

Compatible Host Interfaces

  • USB 3.0 (USB 3.2, Gen 1) "SuperSpeed USB 5Gbps"
  • USB 3.1 (USB 3.2, Gen 2) "SuperSpeed USB 10Gbps"
  • USB 3.2 (USB 3.2, Gen 2x2) "SuperSpeed USB 20Gbps"
  • USB 2.0


Notes: For best performance USB 3.0 (USB 3.2, Gen 1) or better is required on the host computer. USB 2.0, and/or USB connections via Hubs may not always deliver sufficient power for U-TAP. 

Size (w x d x h)

  • 4.1" x 2.4" x 1.0" (104.14 x 60.96 x 25.4 mm)


  • 0.3 lb (0.2 kg)


  • 5V USB bus powered; 4W max


  • Safe Operating Temperature: 0 to 40 C (32 to 104 F)
  • Safe Storage Temperature (Power OFF): -40 to 60 C (-40 to 140 F)
  • Operating Relative Humidity: 10-90% noncondensing
  • Operating Altitude: <3,000 meters (<10,000 feet)

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