AV.io 4K is an easy-to-use, portable video grabber that requires no driver installation. Use it with your preferred consumer or commercial encoder software, or a USB camera capture application on Windows, Mac, and Linux systems for high-quality video capture from HDMI sources up to 4K and DVI sources up to 1080p. It also captures HDMI audio. AV.io 4K transmits uncompressed 4K video losslessly at 30 frames per second to your computer or utilizes hardware scaling to upscale or downscale the recorded video to your desired resolution.