Features: 1.Best Compatibility - Based on VIA Chipset 2.Compliant with PCI-Express revision 1.0a 3.Compliant with IEEE 1394-1395, 1394a-2000 and OHCI 1.1 standard 4.2* 6-pin external ports and 1 *4-pin internal firewire female ports 5.Data transfer rate of 100/200/400 Mbps 6.Compatible to 1-Lane (x1) PCI-Express Throughput 7.1394 OpenHCI Specification V1.0 and V1.1 Compliant 8.12VDC Adapter for high current consumption devices (Optional) 9.Plug-and-play, self-driven system 10.Support Windows 98SE/ME/2000/XP/Server 2003/Vista/Win7 11.Support a wide range of firewire devices such as DV camcorders, hard disks, removable drives, scanners, digital cameras and other firewire audio/video devices