Level1Techs unboxes and does a quick test in a video of Epiphan's AV.io 4K Video capture and how features how it works with Linux. This is a great way to get a feel for the product without having it in your hands. The plug and play AV.io 4K capture card is auto-detected by Windows, Mac and Linux operating systems. To capture HDMI video sources, simply connect the included cables from your video source to AV.io 4K then connect AV.io 4K to your computer via USB. This hand-size grabber fits in any kit, or even your pocket, in a pinch. It is a USB video grabber, so its HDMI capture works perfectly up to 4K on any computer with USB 3.0. Works seamlessly with your favorite paid or free applications such as Wirecast, Skype, Adobe FMLE, QuickTime, VLC media player and Windows Camera. Save captured content and upload to video platforms such as YouTube, Vimeo and others with ease. Take a look! Watch on YouTube.