SYBA USB 3.0 4 External Ports PCI-e Controller Card with Molex Power Feed, Etron Chipset Model SY-PEX20136 Type: PCI Express to USB Card External USB Ports: 4x USB Ports Standard: USB 3.0 Specifications: Power Connector: Molex 4-pin Power Connector Single-lane (x1) PCI Express Throughput Rates up to 5Gbps Fully Compliant with PCI Express Base Specification Revision 2.0 Compliant with Universal Serial Bus 3.0 Specification revision 1.0 Supports Simultaneous Operation of Multiple USB 3.0 USB 2.0 and USB 1.1 Devices Supports Data Rates: - Super Speed 95Gbps) - High Speed (480Mbps) - Full Speed (12Mbps) - Low Speed (1.5MbsP Compliant with Intel's Extensible Host Controller Interface Specification revision 1.0 Weight: 1 Package Contents: USB 3.0 4 Ports PCI-e Controller Card Driver CD User Manual