Specification General PCI 32-Bit 33MHz Interface Compliant with PCI Specification Revision 2.2 Support PCI Bus-Master Access Fully Plug & Play compatible Driver supported MS Windows 98SE/Me/2000/XP/Server 2003XP 64-bit/Vista, Mac OS
USB 2.0 Interface Compliant with Universal Serial Bus (USB) Specification Revision 2.0 Compliant with Enhanced Host Controller Interface (EHCI) Specification Revision 1.0 Compliant with Universal Host Controller Interface (UHCI) Specification Revision 1.1 Backward compatibile with USB 1.1 Specification Data transfer rate: High Speed 480Mbps, Full Speed 12Mbps, and Low Speed 1.5Mbps supported Connects up to 127 USB devices simultaneously on each port External port: USB-A x4 Internal port: USB-A x1 and Pin Header Port x 1