The 6-Pin FireWire-400 to 9-Pin FireWire-800 Adapter from Sonnet allows you to plug a 6-Pin FireWire-400 device into a 9-Pin FireWire-800 port. This is a great option for anyone who would like to connect a FireWire-400 device to an available FireWire-800 port on their computer.
FireWire-800 cards fully support FireWire-400 devices but use a different cable connection. This adapter lets you connect your 6-Pin FireWire-400 device to a 9-Pin FireWire-800 port.
Sonnet 6-Pin FireWire-400 to 9-Pin FireWire-800 Adapter