The SIIG 1394 I/O 3 Port PCI Firewire Adapter Card NN2633 is a high-quality interface add-on card designed for computers that require additional Firewire ports. With its compact size and 3 port capability, this unit from SIIG is perfect for expanding the connectivity options of your system. Made in Taiwan, this adapter card is compatible with PCI ports and is a reliable choice for those in need of Firewire card expansion. Easy to install and use, it offers a convenient solution for enhancing your computer's functionality.