Here is a video grabber that lets you capture 4K video from any video source (DVI-D and HDMI). AV.io 4K has a portable design and supports Mac, Windows, and Linux machines. The device is compatible with various video encoders.
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To use AV.io 4K, simply connect it to your video source and connect the output to your computer’s USB port. Editing at resolutions 4096×2160 or 3840×2160 is supported.
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