SIIG Firewire 2-PORT Expresscard Network ports qty is 2 Data transfer rate is 400Mbps Compliant standards is IEEE 1394-1995, P1394a-2000 and OHCI 1.1 Data Transfer Rate - 400Mbps Network Ports Qty - 2 Compliant Standards - IEEE 1394-1995, P1394a-2000 and OHCI 1.1 Compliant Standards - IEEE 1394-1995, P1394a-2000 and OHCI 1.1 Compliant Standards - IEEE 1394-1995, P1394a-2000 and OHCI 1.1