Based on the VLI VL80x USB 3.0 host controller IC, the SYBA SD-PEX20122 add-on card instantly adds two USB 3.0 ports to your desktop via a PCIe x1 interface, so you can enjoy lightning fast data transfer with compatible devices at up to 5Gbps bandwidth. A 19-pin USB 3.0 connector can be used simultaneously. A 4-pin HDD power connector is built in for supplying extra power to the USB ports.
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:ControlBulkInterruptIsochronousSupports All USB Compliant PeripheralsFull Support of Real Time Dynamic Insertion and Removal of USB Devices
19-Pin USB 3.0 HeaderFor use with the case's front panel or other expansion bracket to provide extra USB 3.0 ports.
PCI-Express x1 InterfaceThe PCI-Express 2.0 1-lane (x1) interface provides data transfer rates up to 5Gbps to eliminate the performance bottleneck when used with USB 3.0 equipment.