Amazon.com: Padarsey PCIe Firewire Card for Windows 10, IEEE 1394 PCI Express Controller 4 Ports(3 x 6 Pin and 1 x 4 Pin), 1394a Firewire 800 Adapter for Windows 7/8/Mac OS with
Firewire Card,PCIe Firewire 800 Adapter for Windows 10 with Low Profile Bracket and Cable,3 Ports (2x6 Pin 1x4 Pin) IEEE 1394|Computer Cables & Connectors| - AliExpress
StarTech.com 3 Port 2b 1a PCI 1394b FireWire Adapter Card with DV Editing Kit - 2 x 9-pin Female IEEE 1394b FireWire 800 - Filo CleanTech
F5U623 Belkin Firewire 800 3-port PCi Card
Allegro FW800 PCIe Computer Card - Sonnet
Startech .com 3 Port 2b 1a LP 1394 PCI Express FireWire CardAdd 2 native FireWire 800 ports to your low profile/small form factor computer... PEX1394B3LP - Corporate Armor
DP FireWire 800 PCI-32T
Fixing FireWire (IEEE 1394) Problems in Windows 10 and 11. Legacy Firewire Driver, Microsoft Firewire OHCI Legacy Drive, Firewire PCI and PCI E cards and how to install them. David Knarr