Direct Access Tech. 2 Port USB 3.0 Superspeed PCI Express Card (1367) Compliant with USB 3.0 Superspeed specification Rev. 1.0 Backward compatible with USB 2.0 Supports data transfer rates up to 5Gbps Supports 2 downstream ports for all speeds Supports plug and play Works with high bandwidth USB 3.0 devices, such as external hard disk, hi-res cameras, webcams, etc.