Add 2 external and 1 internal firewire400 port to any computer with a low profile pci slotr r add both 6 pin and 4 pin firewire ports from a single card with data transfer speeds up to 400mbpsr backed by a startechcom lifetime warranty and free lifetime technical supportr r this 3 port pci low profilehalf height 1394a firewire adapter card turns a motherboard pci slot into two external ieee 1394a firewire slots 1x6 pin 1x4 pin and provides an internal 6 pin firewire port that can be used