Zagall USB 2.0/Firewire Combo Card Bus 4 ports, with 6-4pin firewire cable Fully compatible with Microsoft standard USB 2.0 driver for Windows XP or higher Add 2 High Speed USB 2.0(480Mbps) ports and 2 IEEE 1394A ports(6pin and 4 pin) (400Mbps) to your laptop Support Plug & Play and Hot-Swapping of peripherals