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 peak. Expertly designed to provide a high quality, long-lasting FireWire connection, the 1394b FireWire (4 pin to 9 pin) cable is backed by StarTech.com"s Lifetime Warranty.