The Datavideo DAC-70 is an up/down cross-converter that converts between SD, HD, and 3G formats. It accepts VGA, SDI, and HDMI video inputs. It automatically converts to the selected output format, even when the video input changes. The DAC-70 is compatible with 3GB/s SDI, and the converter includes a built-in mini-USB connection for updating to support future video formats.