Building on the success of the widely adopted VIA Vectro VT6212L is a 4 Port USB 2 PCI Host Controller, offering enhanced performance and simultaneous connectivity to multiple devices. Certified by the USB Implementers Forum for Hi-Speed USB2.0 operation,  it offer seamless plug-and-play connectivity to new generation USB 2.0 enabled peripheral devices. Compatible with Windows, XP, Mac. Product Snapshot *  4 USB 2.0 downstream ports *   Supports up to 480Mbps data transfer rates *   Simultaneous Multiple Connectivity Benefits and Multi-functionality The four downstream ports and full legacy support enables the running of multiple high-speed peripherals simultaneously. Hi-Speed USB2.0 Performance Certified by the USB Implementers Forum for Hi-Speed USB2.0 operation, it  is one of the top performers in the industry, delivering superior performance, especially in data access and read/write speeds. Simplicity A connection interface for USB 2.0-enabled PC peripherals as well as the new generation of higher bandwidth devices such as digital cameras and MP3 players. Energy-Efficiency Advanced power management features exert control over I/O power consumption, ensuring the benefits even in low power applications. Description Compliant with USB Specification Revision 2.0, this USB 2.0 Host Controller delivers consistently high data transfer rates of up to 480Mbps to each of the four downstream USB2.0 ports, supporting multiple connectivity with USB 2.0-enabled peripheral devices. Supporting the 32-bit PCI-Bus Power Management Interface a multi-functional PCI device that utilizes the exceptional bandwidth of USB2.0 to support a wide range of high-speed peripherals, including high resolution video, webcams, digital cameras, next-generation scanners and printers and high-density storage devices. It is fully backward compatible with the USB1.1 specification, ensuring seamless connectivity of legacy USB devices.. Drivers Support is built into Microsoft Windows XP and Windows 2000. Win98SE and WinME drivers. MAC Drivers Driver supports G4 systems ONLY and OS versions: MAC OS X 10.2.x,MAC OS X 10.3.x,MAC OS X 10.4.x