IO Crest PCI-e x1 1394A FireWire Card with 2 External, 1 Internal Ports and Include Low Profile Brackets SI-PEX30017 PC, Personal Computer VT6315 Chipset Complies with PCI-Express Revision 1.1 with Data Transfer Rate up to 2.5Gbps Ports:2 External, 1 Internal Supports Transfer Rate of 400/200/100Mbps Fully Inter-operable with Firewire and i.Link Implementation of IEEE 1394 Standard