Product Detail Two FireWire 800(1394b) ports and One FireWire 400(1394a) port PCI 2.2 compliant and works in 32/64-bit PCI slot Support data transfer rates of 100, 200, 400, and 800 Mbps Built-in 4-Pin power connector for reliable power output Low profile bracket included for low profile chassis . The "Vantec UGT-FW100 3-Port FireWire 800/400 PCI Host Card" is best product for you. We recommended Vantec UGT-FW100 3-Port FireWire 800/400 PCI Host Card