Backwards compatible to PCI-Express 1.0A with data transfer rate up to 2.5 Gbps
 Internal HDD power connector for supply extra +5V power to USB Ports, with LED indicator
 Provides USB 3.0 super-speed (5 Gbps) host port, backward compatible with USB 2.0 high-speed (480 Mbps), full-speed (12 Mbps), and low-speed ( 1.5 Mbps) interface
 Compliant with extensible host controller interface (xHCI) Specification Revision 1.0
 Supports PCI bus power management interface Specification Revision 1.2
 Backwards Compatible to PCI-Express 1.0 a with Data Transfer Rate Up To 2.5 Gbps
 Internal HDD Power Connector for Supply Extra +5V Power to USB Ports, with LED Indicator
 Provides USB 3.0 Super-Speed (5 Gbps) Host Port, Backward Compatible with USB 2.0 High-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed ( 1.5 Mbps) Interface
 Compliant with Extensible Host Controller Interface (xHCI) Specification Revision 1.0
 Supports PCI Bus Power Management Interface Specification Revision 1.2
 Backwards Compatible to PCI-Express 1.0 a with Data Transfer Rate Up To 2.5 Gbps
 Supported USB Data Transfer Types: Control, Bulk, Interrupt, Isochronous