Buy on Amazon : br br Blackmagic Design UltraStudio Express Thunderbolt Powered Video IO Device br br HD SDI HDMI Thunderbolt and 2 breakout cables br Real-time hardware-based up down cross conversion br Connect to a quality HDMI monitor for precise color correction br Captures in edit-friendly open standard DPX and QuickTime formats br Breakout cables feature composite component S-Video RCA audio AESEBU on XLRs sync input genlock and RS422