3-Port Firewire 800 1394b/3-Port USB 2.0 PCI Controller Card NEC D720101 chipset / 64-bit PCI interface Three (3) USB 2.0 ports (two external, one internal) Three (3) 1394b ports (two external, one internal) Supports Hot Swap and Wake Up Data Transfer Rate: 1394B Firewire: 800 Mbps / USB 2.0 480 Mbps