Connector A 1 - Firewire 800 (9 pin; IEEE 1394b) Male Connector B 1 - Firewire 400 (6 pin; IEEE 1394b) Male. Industry Standard FireWire 800-400, 1394b. The Bizlander Firewire 9 pin to 4 pin cable is an essential tool for transferring data and powering your Firewire devices.
