OWC 4TB Mercury Elite Pro USB 3.0/FireWire 800/eSATA
4.5m FireWire 800 Cable - 4 Pin Male to 9 Pin Bilingual Male | $40
Newer Technology® : News Room : Press Release : NEWERTECH INTRODUCES FIREWIRE 800-400 ADAPTER FOR PLUG AND PLAY USE OF FIREWIRE 400 DEVICES WITH LATEST MACS
Source X260 2.5 inch FIREWIRE 800/USB 3.0 Hard Disk External Case ODM/OEM on m.alibaba.com
OWC Mercury On-The-Go Pro - hard drive - 1 TB - FireWire 800 / USB 3.0
Amazon.com: ICY BOX IB-AC547 Adaptor 2X FireWire 800 (in/Out) to eSATA, Daisy Chain Support, Black : Electronics
OWC 13 Port Thunderbolt 3 Dock with FireWire 800 Mac and Windows- OWCTB3DK13PSG | eBay
Amazon.com: LaCie Rugged Triple 1TB USB 3.0 / Firewire 800 Portable Hard Drive (LAC301984) : Electronics
Rocstor LANCER LX Ruggedized USB 3.0/FireWire 800 Mobile Drives, (DISCONTINUED)
Firewire to USB Adapters and Converters - Newegg.com
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