Based on this product's specifications, here are some alternatives and similar models
FireWire Card EXSYS EX-6500E 3+1 Ports 32-Bit
Summary description:
The EXSYS FireWire 1394A card features 3 external and 1 internal 6-pin ports, supporting a data transfer rate of 400 Mbit/s. With a PCI host interface, it is compact (120 mm x 65 mm) and lightweight (200 g), making it ideal for enhancing connectivity in your system. Perfect for connecting FireWire devices with reliable wired technology.