The ultra-high speed USB3.0 interface is the I/O interconnect standard, which will provide the next revolution in bandwidth and functions required by computers, consumer electronics and communications devices. With 10 times faster throughput than USB2.0 and backward compatibility with existing USB device functions, the USB3.0 interface will be a new wave of computing technology. This card supports high-speed USB3.0 devices and is backward compatible with current high-speed USB 2.0 and high-speed USB1.1 devices. It is a perfect choice for external storage devices, MP3 players, external DVD burners, card readers, digital cameras, webcams, network video devices and all other USB devices. Fully compliant with PCI Express Core Specification 20 revision Single channel (x1) Pclexpresse throughput is 5 Gbps Compliant with Universal Serial Bus specification 3.0 revision 1.0 Support multiple ports USB3.0, USB2. 0 and USB1.1 at the same time Supports the following data transfer rates: low speed (1.5 Mbps) / full speed (12 Mbps) / high speed transmission (480 Mbps) / super high speed (5 Gbps) Complies with Intel's Scalable Host Controller Interface (xHC) 0.96 specification 4 downstream ports supporting all speeds Built-in 4-pin power connector to receive additional power from the system Hot-plug feature allows you to connect/disconnect devices without shutting down the system Support Windows xp/Vista/7 (32/64-bit) System Requirements Windows XP/Vista/7 (32/64-bit) System One PCI Express slot available (PCI Express 2.0 recommended) size: 12x6.7x1.5cm Material: PCB color: As shown Package Contents: 1 x PCIE adapter card Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3 cm.