Check the listing for details. USB 3.0 2-Port PCI-e Controller Card w/ On-Board 20-Pin Header & 4-Pin Molex. Condition: New. Listed at 29.99 USD. USB 3.0 2-Port PCI-e Controller Card w/ On-Board 20-Pin Header & 4-Pin Molex Super speed USB 3.0 PCI-Express Card features 2 external USB 3.0 ports and one internal 20-pin USB 3.0 header which can be used simultaneously. Features: Based on VLI VL80x USB 3.0 Host Controller ICCompliant with Intel's Extensible Host Controller Interface (xHCI) Specification Revision 0.96Compliant with PCI Express Base Specification 2.0PCI-Express 2.0 1-Lane (x1) Interface with Data Transfer Rate Up to 5GbpsBackwards Compatible to PCI-Express 1.0a with Data Transfer Rate Up to 2.5GbpsInternal HDD Power Connector for Supplying Extra +5V Power to the USB PortsUSB Interface:Compliant with Universal Serial Bus 3.0 Specification Revision 1.0Provide USB 3.0 Super-speed (5Gbps) Host Port, Backward Compatible with USB 2.0 High-speed (480Mbps), Full-speed (12Mbps) and low-speed (1.5Mbps) InterfaceSupports All USB Compliant Data Transfer Types: Control, Bulk, Interrupt, IsochronousSupports All USB Compliant PeripheralsFull Support of Real Time Dynamic Insertion and Removal of USB DevicesPackage Contents: USB 3.0 2-port PCI-e Controller Card with 20-pin HeaderDriver CDUser ManualCablesOnline Part Number: USB3-PE22