PPA Int'l 1226 FireWire 800 / 1394b - 32 & 64 bits PCI Card Add 2 External (9 pin) +1 Internal (9 pin) IEEE-1394b Port and 1 External 6 pin & 4 pin IEEE 1394a Port to your desktop PC or MAC Support 32-bit and 64-bit PCI interface. PCI 2.2 Compliant Backwards compatible with 1394a FireWire; it works with your existing equipments Fully Compliant With Open Host Controller Interface (HCI) Requirements