3 Port 2b 1a PCI Express FireWire Card - FireWire Cards | Europe
PCIE PCI-E Firewire IEEE 1394 2+1 3Port Controller Card for Desktops PC | eBay
PCIe Firewire PCI E 2A+1 Mini A 1394A Video Capture Card VIA VT6308P Chip Support IEEE1394 400 Mbit 2+1 Port PHY|Computer Cables & Connectors| - AliExpress
WERLEO Firewire Card PCIe Firewire Adapter for Windows 10 with Low Profile Bracket and Cable 3 Ports (2 x 6 Pin and 1 x 4 Pin) IEEE 1394 PCI Express Controller Card for Desktop PC Windows 7 8 10 - Newegg.com
Delock Products 89153 Delock PCI Express Card > 2 x external FireWire B + 1 x external FireWire A