Flexibility to connect external and internal USB 3.0 devices and supports UASP Fast, hassle-free setup with Windows 8 native support, and fits into standard or low-profile systems Backward compatibility lets you save money and connect existing USB 2.0 and 1.x devices Transfer large files at lightning speed, with throughput support up to 5 Gbps Optional SATA power connector provides up to 900mA per port for high-power USB devices