9-pin to 6-pin FireWire 800 - FireWire 400 cables 6ft.
USB 3.0 DATA CABLE FOR MiniPro External FireWire 800 External Hard Drive 5017416544559 | eBay
FireWire 800 (1394b) 9-Pin Female to FW400 (1394a) 6-Pin Male Adapter
6ft 9-Pin Male to 6-Pin Male 1394B FireWire 800 Cable - ppa-usa.com
Amazon.com: Rocketfish Mac/ PC FireWire 800 Cable w/adapter : Electronics
Why won't this cable work? Firewire800>Thunderbolt>USB-C. I'm trying to mount an external drive on a Mac Pro 5,1 (Mid-2010). The drive doesn't seem to be getting power. Any tips would be appreciated.