Key Specifications/Special Features: Description: Designed to the provisions of the USB2.0 OHCI and EHCI standards Four downstream ports for various USB devices connection Data transfer rate up to 480Mbps Hot plugging, legacy devices supporting Ideal for both PC and Macintosh environment Properties: Compliant with universal serial bus specification revision 2.0 Root hub with four downstream facing ports can handle high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) transmission Supports plug-and-play and hot swappable capability Uses self-power mode Equipped with overcurrent detection and protection Connects up to 127 USB devices Supports Windows 98, 98SE, ME, 2000, XP, Macintosh OS 8.6 or greater Connectors: four downstream (USB A) ports, one upstream (mini USB B) port One power connector: 5V/2.5A Dimensions: 80 x 45 x 13mm (smaller than a name card) Export Markets: Worldwide