External devices like printer ports and USB move at a snail's pace compared to FireWire/IEEE 1394. FireWire lets you connect up to 63 devices to your computer and operate at speeds up to 400MBps. The Pyro card gives you the power to connect IEEE 1394 devices like hard drives, optical drives, printers, scanners, speakers, cameras, and digital camcorders. FireWire/1394 is true Plug and Play technology -- just connect a device and it works without rebooting or waiting. Add 3 FireWire (IEEE 1394) ports to your PC or Mac. Transfer data at up to 400 Mb/second. Connect to hard drives, printers, scanners, cameras, and more. Connect up to 63 devices to this high-speed external bus card. System Requirements: Windows 98SE or Windows 2000, or Mac OS 9.0 or later; Pentium II 333MHz, AMD K6 or equal processor; available PCI slot version 2.1.