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AJA Hi5-4K-Plus UHD/3G-SDI to HDMI 2.0 Conversion

Model: HI5-4K-PLUS

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About: AJA Hi5-4K-Plus UHD/3G-SDI to HDMI 2.0 Conversion

AJA’s Hi5-4K-Plus preserves your vision with pristine image fidelity and HFR support up to 60p for 4K/UltraHD SDI to HDMI 2.0 conversion needs. The Hi5-4K-Plus can also generate HDR metadata in accordance with HDMI v2.0a/CTA-861.3. 

Hi5-4K-Plus provides a simple monitoring connection from professional 4K devices using Quad 3G-SDI, Quad 1.5G-SDI, or Dual 3G-SDI outputs to new displays with HDMI 2.0 inputs, for cost-effective monitoring for 4:2:2/4:4:4 60p professional workflows.


The latest generation of affordable 4K monitors utilize an HDMI 2.0 connection, which allows a full 4K signal to be passed over a single cable. Typical professional 4K workflows use four SDI cables to carry the full resolution image, making it difficult to incorporate these newer monitors. Hi5-4K-Plus is an easy-to-use converter that bridges the gap between these two worlds for seamless integration.


Up to 8-channels of embedded audio in the incoming SDI signal are carried through seamlessly into the HDMI output, ensuring your audio is always in sync and can be easily played back on the connected monitor.

4K and UltraHD

Typical 4K signals use a resolution of 4096x2160 pixels while UltraHD signals measure 3840x2160. This difference can prevent some monitors from being used either in full 4K workflows or in UltraHD workflows. Hi5-4K-Plus can compensate for these resolution differences, allowing UltraHD monitors to be used in 4K productions and vice versa.

Hi5-4K-Plus also supports High Frame Rate (HFR) inputs. 4K/UHD signals at 50 or 60 fps can be fed into Hi5-4K-Plus and output at up to 60p for viewing with appropriate HDMI 2.0 capable displays.

HD Support

Not every job is a 4K job. When you're not working in 4K, Hi5-4K-Plus can still be a useful tool for converting HD-SDI to HDMI. A single HD-SDI signal coming into the Hi5-4K will be sent out as an HD resolution HDMI signal, much like AJA's Hi5-3G Mini-Converter.


  • 4 x 3G-SDI inputs
  • Support for 4:2:2/4:4:4 HDMI 2.0 output
  • HD conversion supported
  • Embedded audio support
  • Configure via USB port and supplied MiniConfig software
  • Uses 5-20VDC power (DWP-U-R1 universal power supply included)
  • 5-year warranty is a Canadian authorized AJA retailer.

Reviews: AJA Hi5-4K-Plus UHD/3G-SDI to HDMI 2.0 Conversion

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