The DarkCrystal HD-SDI Duo features 2-channel HD/SD SDI for the high-end demands of more professional applications. BNC connectors secure stable and high frequency signals during transmission and ensure the capture quality. Capture and Convert Full HD Video Content The DarkCrystal HD-SDI Duo can capture and convert 2 HD-SDI or 2 ASI video sources simultaneously. The DarkCrystal HD-SDI Duo fulfills any need to preserve and convert HD video content via SDI/ASI. Real-time HD Video Encoding The DarkCrystal HD-SDI Duo allows you to develop and design applications on platforms you are already familiar with. The card is multi-task capable while only taking the space of one PCI-e slot. This powerful and space-saving capture card is exactly what you need to accomplish professional tasks.