This 10ft 1394b firewire cable provides one firewire 800 9 pin male connector and one firewire 4 pin male connector allowing you to connect your firewire 400 devices to your firewire 800 ports ensuring that your high speed digital storage and video capture applications will be running at their peakthe 1394b firewire 4 pin to 9 pin cable is expertly designed to provide a high quality long lasting firewire connection