The StarTech.com 139496MM1 1 Foot IEEE-1394 FireWire Cable provides one FireWire nine-pin male connector and one FireWire six-pin male connector. This data cable is 1394a and 1394b compliant, and supports a daisy chain of up to 63 FireWire devices. Expertly designed and constructed of high-quality materials, this IEEE-1394 rated male-to-male FireWire cable ensures optimum performance and reliability. Capable of data transfer rates of up to 400Mbps, FireWire technology provides a high-speed link that saves time during large file transfers. This nine-pin to six-pin FireWire cable lets you connect a FireWire 1394b device to a PC that only supports FireWire 1394a and vice versa, without costly upgrades.