Get to know TeckNet®: Established in 2005, TeckNet® is a UK based company specialising in TeckNet branded consumer electronics. After many years of successful experience with Amazon UK, we now decided to offer our products to Amazon US. Our mission is to provide the consumer with superior quality products that represent excellent value.Amazon UK Product Review: This TeckNet PCI Card has been voted #1 in class by thousands of satisfied UK Customers, Please check: www.amazon.co.uk/gp/product/B005LV3Z0AFeatures: With quick and easy installation, this TeckNet 4 Port USB 3.0 PCI express I/O Card offers a simple solution for connecting to USB 3.0 devices from your standard desktop PC. USB 3.0 is the latest generation of USB technology, boasting enhanced transfer rates of up to 5Gbps. Transfer videos, music, photos, and data files between USB devices and your computer at blazing fast speeds - Convert your existing PC to USB3.0 speeds! - SuperSpeed USB 3.0 ports support data transfer rates of up to 5Gbps. (Note: actual rate will depend on the capability of your device.) - Adds 4 x high speed USB3.0 ports - Backward compatible with USB2.0 and USB1.1 devices - Requires a spare PCI-Express slot - Requires 5V 4 pin power connector plug System Requirements: - Drivers for Windows XP, Vista, 7 and 8 (32/64-bit) included on provided CDPackage Include: - 1 X TeckNet USB 3.0 PCI card - 1 X CD - 1 X ManualPLEASE NOTE: - This PCI-E card is powered by a 5V 4 pin power connector. Please confirm that your computer motherboard is equipped with a 5V 4 pin power connector plug before purchasing.