SEDNA - PCIe (PCI EXpress) 3+1 Ports 1394A (Firewire) Adapter card (VIA) (3E1I, 2x 6 Pin + 1 x 4 Pin external port) with low profile bracket 1-Lane (x1) PCI-Express with transfer rate 2.5Gb/s full duplex channel 4 Ports Adaptor includes 3x External + 1x Internal Ports (shared with first external port) Compliant with PCI-Express Revision 1.0a Compliant with IEEE 1394 OpenHCI Specifications V1.0 and V1.1 Support 400/200/100Mbps data transfer rate