Amazon.com: elago FireWire 400 to 800 Adapter (White) for Mac Pro, MacBook Pro, Mac Mini, iMac and All Other Computers : Electronics
FireWire 800 9-Pin To FireWire 400 4-Pin Bilingual Cable - 15Feet Black
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FireWire 800 to 400, 1394b to 1394a, 9 Pin Male to 4 Pin Male Cable, B — Tera Grand
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Newer Technology® : News Room : Press Release : NEWERTECH INTRODUCES FIREWIRE 800-400 ADAPTER FOR PLUG AND PLAY USE OF FIREWIRE 400 DEVICES WITH LATEST MACS
250GB SSD OWC Mercury On-The-Go Pro Storage Solution