With four bi-directional SDI interfaces the Blackmagic Design DeckLink Duo 2 is a versatile video I/O card for professional video workflows. Since each SDI interface can be configured to be either an input or an output a computer with this card installed can be purposed as a media play-out system a multi-screen digital signage server a live keyer a real-time multi-channel capture system or a combination of the above to fit your specific workflow of the moment. A reference input is also available for syncing with other studio equipment. SD/HD/3G-SDI Input/Output PCI-E Interface 1080p 4:4:4 by Single-Link 3G-SDI 10/12-Bit Processing Down/Up/Cross Conversions Mac OS X Windows and Linux Compatible

Blackmagic Design Decklink Duo 2
$83.63