The Blackmagic Design DeckLink SDI gives you incredible quality SD/HD-SDI capture and playback on any PCI Express Windows or Intel-based Mac Pro computer. It is perfect for use with SDI decks, or in large facilities with SDI routers. The world's smallest and most affordable 10 bit SDI video card works in both SD and HD and includes blackburst, tri-sync reference input, 8 channels of SDI embedded audio and RS422 deck control. DeckLink SDI is perfect when combined with routers such as Broadcast Videohub, SDI monitoring such as HDLink and video converters such as Blackmagic Design's Mini Converter range.