Type: PCI Express to USB Card External USB Ports: 2x USB Ports Standard: USB 3.0 Data Transfer Rate: 4.8Gbps Operating Systems Supported: Windows 7 32-bit & 64-bit, Vista 32-bit & 64-bit, Windows XP 32-bit & 64-bit *DOES NOT support Mac, Linux and Windows 2000 & Server 2003. Specifications: PCI-Express 2.0 1-Lane (1x) Interface NEC uPD720200 USB 3.0 Controller Chipset Fully Compliant with PCI Express Base Specification Revision 2.0 Supports PCI-Bus Power Management Interface Specification Revision 1.2 Internal HDD Power Connector for Supplying Extra +5V Power to the USB Ports Single-lane (x1) PCI Express Throughput Rates up to 4.8Gbps Compliant with Universal Serial Bus 3.0 Specification Revision 1.0 Supports Simultaneous Operation of Multiple USB 3.0, 2.0, 1.1 Devices Supports Low-speed, Full-...