Amazon.com: 4 Pieces Firewire IEEE 1394 6 Pin USB Adapter Female F to USB M Male Cable Converter Firewire 6 Pin to Male USB 2.0 Adapter for Printer, Digital Camera, Scanner, Hard Disk : Electronics
USB and Firewire Hubs – Thomann UK
2 Ports FireWire Hub
4-Port USB 2.0 Hub and 3-Port 1394 Repeater 4 +3 USB and Firewire Hub
StarTech.com 2-Port ExpressCard SuperSpeed USB 3.0 Card Adapter (ECUSB3S22)
Newer Technology® : News Room : Press Release : NEWERTECH INTRODUCES FIREWIRE 800-400 ADAPTER FOR PLUG AND PLAY USE OF FIREWIRE 400 DEVICES WITH LATEST MACS
NeweggBusiness - BYTECC U3-AAFF USB 3.0 Type A Female to Type A Female Adapter
i-tec USB-C Metal HUB 4 Port - USB Type C - External - 4 USB Port(s) - 4 USB 3.0 Port(s) - Linux, PC, Mac C31HUBMETAL403 8595611702266
Firewire 800 vs USB 3.0 - Which is Faster? - Terry White's Tech Blog