PCI USB 4+1 ports card-Based on VIA/ALi chipsetFour external USB 2.0 ports, mainly designed for PC requiring more USB 2.0/1.1 devicesconnected to the rear panelSpecification General-USB 2.0 EHCI and USB 1.1 OHCI Compliant-Backward compatible with USB 1.1 devices-Transfer rate: Each port up to 480Mbps-Connects up to 127 USB devices simultaneously-Over current protection, each port 500mA- External port: USB-A x 4-Internal port: USB-A/Pin header port x 1 (sharing with first external USB port)System Requirement -PC computer with one 32-bit PCI slot -MS Windows 98SE/Me/2000/XpPackage:color box/polybag100pcs/carton;Size(carton):47.5*35.5*41cm;G. Weight is 10.6kg producing area:China payment:T/T or Western Union