Amazon.com: Yeung Qee FireWire 800 to 400 Cable 6ft,IEEE 1394B 9 Pin Male to 4 Pin Male Cable for Mac Pro, MacBook Pro, Mac Mini, iMac PC,Digital Cameras, SLR(9 pin to 4
FireWire (IEEE 1394a) 4-Pin to 4-Pin Cable - Micro Connectors, Inc.
Tera Grand Firewire 800 9-Pin to Firewire 400 4-Pin