Firewire 400 to 800 Adapter Works with standard 6-pin male FW400 cables. 9-pin Male (FW800) to 6-pin Female (FW400) data transfer adapte.Connector A: Works with standard 6-pin male FW400 cables,Connector B: Works with standard 9-pin female FW800 cables. The 1394 adapter is Designed for connecting FireWire 400 (1394a) device to FireWire 800 (1394b) port