This package contains the driver for Intel USB 3.0 and 3.1 eXtensible Host Controller. It is supported on Dell Latitude, Precision, OptiPlex, XPS, Inspiron, Vostro, and IoT systems that run Windows 7 operating system. The eXtensible Host Controller Interface (xHCI) driver helps the Universal Serial Bus (USB) ports to communicate effectively with connected devices. This package includes the updated installer version of 1.6.3.0.