Add two external USB 3.0 ports to a PCI-e x1 slot, and also provide a 19 Pin header for cases that have frontal USB 3.0 ports. PCI-Express USB 3.0 Host Controller Card, Driver CD, User Manual, Low Profile Bracket.

• USB Interface: Compliant with Universal Serial Bus 3.0 Specification Revision 1.0, USB 3.0 Super-Speed (5Gbps) Host Ports, Backward Compatible with USB 2.0 High-Speed (480Mbps), Full-Speed (12Mbps) and Low-Speed (1.5Mbps) Interface, Supports All USB Compliant Data Transfer Types (Control/Bluk/Interrupt/Isochronous), Supports All USB Compliant Peripherals (e.g. Keyboard, Mouse, Monitor, Joystick, Etc.), Full Support of Real Time Dynamic Insertion and Removal of USB Devices.
• Supports Standard and Low-profile Desktop Computer, PCI-Express Interface: PCI-Express 2.0 1-Lane (x1) Interface, Compliant with PCI Express Base Specification 2.0, Supports PCI-Bus Power Management Interface Specification Revision 1.2.
• Internal HDD Power Connector for Supplying +5V Power to the USB Ports, Renesas D720201 chipset, Notes: Must connect 4pin Molex power feed to support max occupation of USB 3.0 ports and USB 3.0 functionality.
• Based on Renesas USB 3.0 Host Controller IC, Compliant with Intel's Extensible Host Controller Interface (xHCI) Specification Revision 1.0
• Renesas D720201 chipset, Ports: 2 External USB 3.0 Port, 1 USB 3.0 19-pin Header, 1 Molex 5V Power Feed Connector.