Cable adapter Blackmagic Design | PC Components

Outputs: 3G-SDI and HDMI, SDI and HDMI Audio - Auto switches between SD and HD - PCI Express 1 lane, compatible with 1, 4, 8 and 16 lane PCIe slots - Mac OS X 10.7 Lion or later, Mac OS X 10.8 Mountain Lion or later, Windows 7 or Windows 8