The state of the art DELTA-12G-elp-h 4c video card hosts eight independent channels that can be used either as inputs or as outputs. Four of these channels supports line rates up to 12G SDI while the others go up to 3G-SDI, allowing the support of formats from SD to UHD. The 9th connector can be used as an Audio LTC input . You can order the cards separately either to upgrade an existing configuration that you would have, or to be ready with a backup plan in case you have an issue with your card. These cards can be used with our ingest and playout software. We recommend to download the drivers from the downloads page of our website (each of our product that support the card will have a link to download it). We also have articles in our help center that explain how to install the drivers or to change the configuration of the card. card. Make sure to read the full specs of the card on the Deltacast website. WHAT'S INCLUDED?