Choose from the following categories matching "usb to firewire":

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1.5M/5FT USB 2.0 Male to 4 Pin IEEE 1394 ...

(In stock)
Banggood
Big Bang For Your Buck, Free Shipping!
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Firewire IEEE 1394 6 Pin Female To USB 2....

(In stock)
Banggood
Big Bang For Your Buck, Free Shipping!
mpn: 73R69N39A
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Firewire 400 - 4 Pin To 4 Pin Cable - 3 F...

(In stock)
ShowMeCables
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888-519-9505
mpn: 23119003