Product Detail Syba I/O 2-Port IEEE 1394A FireWire PCI Express Card General Features: PCI Express interface Two (2) external 6-pin IEEE 1394A FireWire ports Data Transfer Rate: up to 400 Mbps Support 1-Lane 2.5Gbps PCI-Express bus Compliant with System Management Bus Specification Revision 1.1 Compliant with 1394 Open Host Controller Interface (OHCI) Release 1.1 . The "SYBA PCI-Express 2 Ports IEEE 1394A Firewire Card with Header SY-PEX30001" is best product for you. We recommended SYBA PCI-Express 2 Ports IEEE 1394A Firewire Card with Header SY-PEX30001