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Pearstone 6-pin FireWire-400 to 9-pin FireWire-800 Adapter
Startech .com .com 2 Port ExpressCard FireWire Adapter CardAdd 2 FireWire800 ports to a laptop through an ExpressCard slotexpressc... EC1394B2 - Corporate Armor
Amazon.com: Bizlander Firewire High Speed Premium DV to Firewire Cable 800 1394B 800-400 IEEE 9 Pin Male to 4 Pin Male Cable 6FT for Mac Pro, MacBook Pro, Mac Mini, iMac PC,Digital
Thunderbolt 3 to FireWire Adapter - FireWire Adapters | StarTech.com