Add 2 native FireWire 800 ports to your computer through a PCI Express expansion slot. - Two 9-pin FireWire 800 ports, each with transfer rates up to 800 Mb/s - One 6-pin FireWire 400 port, each with transfer rates up to 400 Mb/s - Built with a native PCI Express chipset, no bridge chip - Includes low-profile/half-height mounting bracket - Internal power connector for high powered FireWire devices - Compliant with IEEE 1394b and backwards compatible with IEEE 1394a - 2000 as well as 1394-1995 standards - Plug-and-Play and hot-swap compatible