Specifications :• Firewire 1394a Ports: External x 3 and Internal x 1• Low Profile Metal Bracket included• PCI 32-Bit 33MHz Interface• Compliant with PCI Specification Revision 2.2• Support PCI Bus-Master Access• Fully Plug & Play compatible• No Driver needed for supported MS Windows 98SE/Me/2000/XP 32-bit/XP 64-bit/Server 2003/Vista/Win 7/Win 8 / Win 8.1, Linux or Mac OS• 1394 OpenHCI Specification v1.0 and v1.1 compliant• Support IEEE 1394-1995 Standard for High Performance Serial Bus 1.0 with 1394a-2000• Data transfer rate: 100/200/400Mbps supported• External port: 1394a 6-Pin x 3• Internal port: 1394a 9-Pin x 1 (Shared)PC computer with one 32-Bit PCI slot Supported OS1 x PCI 1394 Adapter Low profile metal bracket ,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fvo%7B%3Dd70f%2Bf52%3E-14255df36b8-0x106-->