Digitus PCI Express Card, Firewire 1394a (3+1 ports)Equip your PC with four additional IEEE 1394 ports! Two external 1394a and one external 1394mini port Installs in any available PCI Express slot with different lane width Data transfer rate 100Mbps 200Mbps 400Mbps Additional internal 1394a port + 4 pin jack for power supply With this IEEE 1394a Firewire express card you can easily extend your PC system by four additional IEEE 1394 ports. Thus, it supports data transfer rates of 100 200 400 Mbps and