I/O and Add-On Cards PCI-Express BUS I/O CARDS PCI BUS I/O CARDS back to product class

W-USB3.0-E 　 FEATURES Compliant with Universal Serial Bus 3.0 specification Revision 1.0, which is released by USB Implementers Forum, Inc Supports the following speed data rate as follows; Low-speed (1.5 Mbps) / Full-speed (12 Mbps) / High-speed (480 Mbps) / Super-speed (5 Gbps) Supports 2 downstream ports for all speeds Supports all USB compliant data transfer type as follows; Control / Bulk / Interrupt / Isochronous transfer Compliant with Intel’s eXtensible Host Controller Interface (xHCI) Specification revision 0.95 Support USB legacy function Compliant with PCI Express® Base Specification 2.0 Supports ExpressCardTM Standard Release1.0 Supports PCI Express® Card Electromechanical Specification Revision 2.0 Supports PCI Bus Power Management Interface Specification revision 1.2 Operational registers are direct-mapped to PCI memory space Supports Serial Peripheral Interface (SPI) type ROM System clock: 24 MHz crystal or 48MHz external clock. 3.3 V and 1.05 V power supply