Neet® FireWire 400 to 800 FW 6 Pin (Female) to 9 Pin (Male) Adapter Converter

This genuine Neet® Firewire adapter allows you to connect FireWire 400 (1394a older style) peripherals to any computer with a FireWire 800 (1394b) port. This includes any MacBook Pro, Mac Mini, iMac or any other computer / laptop etc. with a FireWire 800 port.

eBay