SYBA USB 3.0 4-port PCI-Express x1 Controller Card, VLI VL80x Chip Model SD-PEX20133 Type: PCI Express to USB Card External USB Ports: 4x USB Ports Standard: USB 3.0 Data Transfer Rate: Up to 5.0 Gbps Operating Systems Supported: Windows 7 (32/64-bit) Vista (32/64-bit) Windows XP (32/64-bit) Windows 2000 (32/64-bit) Server 2003-2008 (32/64-bit) Specifications: Real Connector: Molex (IDE 4-pin) Power Connector Based on VLI VL80x (VL800-Q8) USB 3.0 Host Controller IC Compliant with Intel's Extensible Host Controller Interface (xHCI) Specification Revision 0.96 Compliant with PCI Express Base Specification 2.0 PCI-e Specification: - PCI-Express 2.0 1-Lane (x1) Interface with Data Transfer Rate up to 5Gbps - Backwards Compatible to PCI-Express 1.0a with Data Transfer Rate up to 2.5Gbps - Internal HDD Power Connector for Supplying Extra +5V Power to the USB Ports - Internal HDD Power Con...