Add 2 firewire800 and 1 firewire400 port to any desktop with a pci slot this 3 port pci ieee 1394ab firewire adapter card turns a pci slot into two firewire 800 ieee 1394b ports and one firewire 400 ieee 1394a port a cost effective solution that lets you connect firewire 800 devices as well as older firewire 400 devices to your desktop computer a versatile firewire solution the adapter card works in both 5v and 33v pci slots and in 64 bit and 32 bit environments making it easy to