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
TetherPro FireWire 800 9-Pin to 9-Pin | Tether Tools
USB / IEEE-1394 Firewire Adapters - Newegg.ca
Firewire 800 To Usb Store, 55% OFF | www.geb.cat
Electronics FireWire 800 4-9 Pin DV Cable/Cord/Compatible with Lacie D2 Quadra USB 3.0 4TB 9000258u nordicid.com