Intel Usb 3.1 Extensible Host Controller -

The Intel USB 3.1 Extensible Host Controller is a driver/controller software component (often seen in Windows Device Manager under "Universal Serial Bus controllers"). It manages USB 3.1 (and typically USB 3.2 Gen 2) ports on Intel-based motherboards (100-series chipsets and newer). It’s not a physical product you buy separately—it’s integrated into the chipset.

The "eXtensible" part of the name refers to the , a technical framework that replaced older standards like EHCI (USB 2.0). It is designed to be more power-efficient, making it ideal for laptops and mobile devices, and it allows a single driver to manage multiple USB speeds simultaneously. Driver Comparison: Intel vs. Microsoft Intel Usb 3.1 Extensible Host Controller