Magewell 4K HDMI Video Capture Card Capture one channel 4Kx2K HDM Ultra HD signal 4096x2160@30fps or 3840x2160@30fps for Ultra HD input signal Capture LPCM audio signal via HDMI Microsoft AVStream standard dr iver, support majority multimedia video software or streaming media software Super small size: 1 22.18mmx 68.88 mm , Low - Profile standard