USB 3.1 PCIe 2.0x1, 2 Port Interface Card – u3-pcie1xg205-18

This is a 2-port USB host interface card that installs in a PCI Express x1 slot. It adds two external USB Type-A ports to a desktop or workstation system.

Key Specifications

• Part number: u3-pcie1xg205-18
• Host interface: PCI Express x1
• USB controller: Renesas uPD720202
• Number of ports: 2 external USB Type-A
• USB data rates: SuperSpeed 5 Gbps, High-Speed 480 Mbps, Full-Speed 12 Mbps, Low-Speed 1.5 Mbps
• Compliant with USB 3.0 Specification Revision 1.0 and Intel xHCI Specification Revision 1.0
• Supports UASP (USB Attached SCSI Protocol)
• Supports USB Battery Charging Specification Revision 1.2 for Charging Downstream Ports (CDP)
• Backward compatible with USB 2.0 and USB 1.1 devices
• Form factor: Low-profile PCI Express card (standard and low-profile brackets commonly included)

Power

USB bus power is available from the PCIe slot 12 V rail via an onboard step-down regulator. Certain variants also accept external power from an IDE 4-pin or SATA 15-pin connector.

Compatibility Notes

Requires a free PCI Express x1 (or wider) slot. Drivers for the Renesas uPD720202 controller are available for older Windows versions; modern Windows installations typically use the built-in xHCI driver. Compatible with a range of Windows and Linux systems that support the xHCI standard.

Please review the photos for the exact condition of this unit. Tested for basic functionality prior to listing.