Connect old Firewire hard drive to modern USB-C Mac
How to Get Firewire Audio Interface Devices To Work With Thunderbolt 3 USB-C Without Losing Audio Qu | Usb, Audio, Interface
USB and Thunderbolt
Amazon.com: Yeworth 6FT Firewire High Speed IEEE 1394 Firewire 800 to Firewire 400 Cable, 1394B 800-400 IEEE 9 Pin Male to 4 Pin Male Cable for MacBook Pro, Mac Mini, iMac PC, Digital Cameras, SLR : Electronics