Controller Card - TOOGOO(R) PCI Express x1 PCI-E FireWire 1394a IEEE1394 Controller Card 3 Port For Desktop Best Compatibility - Based on VIA Chipset Compliant with PCI-Express revision 1.0a; 1394 OpenHCI Specification V1.0 and V1.1 Compliant Compliant with IEEE 1394-1395, 1394a-2000 and OHCI 1.1 standard 2* 6-pin external ports and 1 *4-pin internal firewire female ports Data transfer rate of 100/200/400 Mbps