Features: Connectors: Firewire 800 9-pin male to 6-pin male Fast data transfers， rated up to 800Mbps (limited by device/port speed)Plug-and-Play， hot swap compatibleTwisted pair cabling and shielded construction ensures reliable data transmissions Perfect for connecting your new firewire 1394b devices to your legacy 1394a portsCompatiblity: Digital video camcorders， scanners， printers， videoconferencing cameras， and fixed-disk drives Length: About 5.7ft (173cm)Quantity: 1