In an attempt to get access to content on my old MiniDV cam tapes, I attempted this long shot of an adapter hell... It's a Firewire 400 cable, to a Firewire 800
Usb C To Firewire 800 Flash Sales, 60% OFF | edetaria.com
Apple Thunderbolt to FireWire Adapter - Apple (IE)
Pearstone 6-pin FireWire-400 to 9-pin FireWire-800 Adapter